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Kernel Files

Ubuntu Security Notice USN-6628-1
Posted Feb 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6628-1 - Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service.

tags | advisory, remote, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2023-32250, CVE-2023-32257, CVE-2023-34324, CVE-2023-35827, CVE-2023-46813, CVE-2023-6039, CVE-2023-6040, CVE-2023-6176, CVE-2023-6606, CVE-2023-6622, CVE-2023-6817, CVE-2023-6931, CVE-2023-6932, CVE-2024-0193
SHA-256 | a52607ded902da64c49c773da7fa6fd61683abc0bc5e94297c83cad64b281932
Ubuntu Security Notice USN-6625-2
Posted Feb 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6625-2 - Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service. Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2023-34324, CVE-2023-35827, CVE-2023-45863, CVE-2023-46343
SHA-256 | b66fd333f93de3d51bd80224f8e2d3a19cbfc05e73e64ee252cbdbc53d94990c
Ubuntu Security Notice USN-6626-1
Posted Feb 8, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6626-1 - Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service.

tags | advisory, remote, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2023-32250, CVE-2023-32257, CVE-2023-34324, CVE-2023-35827, CVE-2023-46813, CVE-2023-6039, CVE-2023-6176, CVE-2023-6622, CVE-2024-0641
SHA-256 | abb47a750300846b247f677ef4f175df1919ba753b831f8a512ec32984686bf4
Kernel Live Patch Security Notice LSN-0100-1
Posted Feb 8, 2024
Authored by Benjamin M. Romer

It was discovered that the SMB network file sharing protocol implementation in the Linux kernel did not properly handle certain error conditions, leading to a use-after-free vulnerability. Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. Various other issues were discovered and addressed.

tags | advisory, kernel, protocol
systems | linux
advisories | CVE-2023-5345, CVE-2023-6040, CVE-2023-6176, CVE-2023-6817, CVE-2023-6932
SHA-256 | 55bac94f220995e2504245406daa6739d0a8e896be555aa348a44bc0e7cc793a
Ubuntu Security Notice USN-6625-1
Posted Feb 8, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6625-1 - Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service. Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2023-34324, CVE-2023-35827, CVE-2023-45863, CVE-2023-46343
SHA-256 | f216969201e4323ce6545b98d9b1f08db39bd8c3f06097ee0d2bd0d95e8ad152
Ubuntu Security Notice USN-6624-1
Posted Feb 8, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6624-1 - Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service. Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2023-34324, CVE-2023-35827, CVE-2023-46813, CVE-2023-46862, CVE-2023-5972, CVE-2023-6176, CVE-2023-6531, CVE-2023-6622, CVE-2024-0641
SHA-256 | 49de6bcbab59db57c8569fdb52fe4ace1e46659088c4f8553a5f53c1edba44e5
Red Hat Security Advisory 2024-0725-03
Posted Feb 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0725-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include null pointer, out of bounds access, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1074
SHA-256 | cb1f979f02a027b72d48a5af112972191c6111af2e53d98447b255e55813dd05
Red Hat Security Advisory 2024-0724-03
Posted Feb 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0724-03 - An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include buffer overflow, bypass, denial of service, double free, memory leak, null pointer, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2021-3640
SHA-256 | 5c463638a8edc5623216376f8dce92be65e11ef8ea1db023d0e820071520da83
Red Hat Security Advisory 2024-0723-03
Posted Feb 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0723-03 - An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include null pointer, out of bounds access, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1074
SHA-256 | 63cdd7557b1dd7d58b09484123a8d4d884f013eaef148a252418667378704061
Ubuntu Security Notice USN-6609-3
Posted Feb 7, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6609-3 - Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6040, CVE-2023-6606, CVE-2023-6817, CVE-2023-6931, CVE-2023-6932, CVE-2024-0193
SHA-256 | 619aec4be89b4de08160625ec716465c9f95c8a45fde090dbaca0e9264752547
Ubuntu Security Notice USN-6609-2
Posted Jan 31, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6609-2 - Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6040, CVE-2023-6606, CVE-2023-6817, CVE-2023-6931, CVE-2023-6932, CVE-2024-0193
SHA-256 | 90e5bb44984356d7a386775f103d92a062be991ce97239a371424c2e4b094982
Red Hat Security Advisory 2024-0575-03
Posted Jan 31, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0575-03 - An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include denial of service, double free, null pointer, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-0458
SHA-256 | 787ee2074ed3180a632abb108b59142b8aa890f03eff2d1d5ba28366f33e2f13
Red Hat Security Advisory 2024-0563-03
Posted Jan 31, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0563-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2022-40982
SHA-256 | ee2fbb17387844188ed833f3ea2423bd94a86d7a02d374bd519a78e05381fd1f
Red Hat Security Advisory 2024-0562-03
Posted Jan 31, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0562-03 - An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2022-40982
SHA-256 | b67c51b8ebee32c13c916609154c7c8dc31e0aef78fb96b731098bc769c6b84d
Ubuntu Security Notice USN-6605-2
Posted Jan 30, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6605-2 - Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6040, CVE-2023-6606, CVE-2023-6931, CVE-2023-6932
SHA-256 | 3524f7db7b0463e6485d6224f046d239cbfe56762aedd26a06ba65129c0a6080
Ubuntu Security Notice USN-6604-2
Posted Jan 30, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6604-2 - It was discovered that the ASUS HID driver in the Linux kernel did not properly handle device removal, leading to a use-after-free vulnerability. A local attacker with physical access could plug in a specially crafted USB device to cause a denial of service. Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1079, CVE-2023-20588, CVE-2023-45863, CVE-2023-6606, CVE-2023-6931, CVE-2023-6932
SHA-256 | 87adb9a0dd630857bb46668b561ed587d03265f1d69126841b1f12420169e7bc
Ubuntu Security Notice USN-6609-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6609-1 - Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6040, CVE-2023-6606, CVE-2023-6817, CVE-2023-6931, CVE-2023-6932, CVE-2024-0193
SHA-256 | 7817da0f85320897d02f798d322e3d70452b6ca00073b6296b4b4ddb3c2ca762
Ubuntu Security Notice USN-6608-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6608-1 - It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information. Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle inactive elements in its PIPAPO data structure, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6606, CVE-2023-6817, CVE-2023-6931, CVE-2023-6932, CVE-2024-0193
SHA-256 | 53d012190f358505aba80f3efda1bdc41b32100cecfe3ea36a9fb9da7a26ed55
Ubuntu Security Notice USN-6607-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6607-1 - It was discovered that the SMB network file sharing protocol implementation in the Linux kernel did not properly handle certain error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2023-5345, CVE-2023-6040, CVE-2023-6606, CVE-2023-6817, CVE-2023-6931, CVE-2023-6932, CVE-2024-0193
SHA-256 | 129bf8e03fcff7ad53aea0dbb1617e402b728e93911e0d73e3c75fb0e9b25fd1
Ubuntu Security Notice USN-6606-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6606-1 - It was discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-51779, CVE-2023-6606, CVE-2023-6817, CVE-2023-6931, CVE-2024-0193
SHA-256 | 7b9d61bb626e469fa6a211001e9c00d7fdd18aa20f3fbf87c320c90b5853f103
Ubuntu Security Notice USN-6605-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6605-1 - Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6040, CVE-2023-6606, CVE-2023-6931, CVE-2023-6932
SHA-256 | cdb12864a59aff826d39ce99319286459b3c2cc26a55968cce8994e8c4d8d20d
Ubuntu Security Notice USN-6604-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6604-1 - It was discovered that the ASUS HID driver in the Linux kernel did not properly handle device removal, leading to a use-after-free vulnerability. A local attacker with physical access could plug in a specially crafted USB device to cause a denial of service. Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-1079, CVE-2023-20588, CVE-2023-45863, CVE-2023-6606, CVE-2023-6931, CVE-2023-6932
SHA-256 | d17c6353365258970841d80fc94ccc64beed6a1122b15a1bc1be29121160ed39
Ubuntu Security Notice USN-6603-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6603-1 - It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could cause a denial of service or possibly expose sensitive information. Budimir Markovic, Lucas De Marchi, and Pengfei Xu discovered that the perf subsystem in the Linux kernel did not properly validate all event sizes when attaching new events, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-6606, CVE-2023-6931, CVE-2023-6932
SHA-256 | 9fe186eef0aa6e0a6c7c161754052e49f62293ba385d9ccd44897abc7326341d
Ubuntu Security Notice USN-6602-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6602-1 - Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. It was discovered that a race condition existed in the Linux kernel when performing operations with kernel objects, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service or execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-20588, CVE-2023-45863, CVE-2023-6606, CVE-2023-6931, CVE-2023-6932
SHA-256 | e4ea46e063ed7320c58795d9803e3ac6d7fa5f331537b1801175adb5167bb09e
Ubuntu Security Notice USN-6601-1
Posted Jan 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6601-1 - It was discovered that the IGMP protocol implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2023-6932
SHA-256 | cca79625b03d2bb1e94883b9d350917c326da4fe2ad588949119d92376aebd76
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