Red Hat Security Advisory 2023-7243-01 - An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support.
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Ubuntu Security Notice 6460-1 - It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service. It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform data buffer size validation in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service or possibly expose sensitive information.
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Red Hat Security Advisory 2023-5414-01 - An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important.
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Red Hat Security Advisory 2023-5233-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift Virtualization 4.13.4 images.
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Red Hat Security Advisory 2023-5235-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-5238-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-5244-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include information leakage, out of bounds write, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-5255-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine- tuning for systems with extremely high determinism requirements. Issues addressed include information leakage, out of bounds write, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-5221-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include out of bounds write and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-5069-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, information leakage, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-5091-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include bypass, information leakage, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-5093-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.
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It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Querijn Voet discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other vulnerabilities were also discovered and addressed.
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Red Hat Security Advisory 2023-4961-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-4967-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include out of bounds write and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-4962-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.
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Ubuntu Security Notice 6285-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly check buffer indexes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.
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Ubuntu Security Notice 6261-1 - It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.
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Ubuntu Security Notice 6260-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly check buffer indexes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.
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Ubuntu Security Notice 6255-1 - It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Mingi Cho discovered that the netfilter subsystem in the Linux kernel did not properly validate the status of a nft chain while performing a lookup by id, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.
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Ubuntu Security Notice 6254-1 - Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the do_prlimit function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the btrfs file system implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information.
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Ubuntu Security Notice 6252-1 - It was discovered that the ext4 file system implementation in the Linux kernel contained a use-after-free vulnerability. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service. It was discovered that the sound subsystem in the Linux kernel contained a race condition in some situations. A local attacker could use this to cause a denial of service.
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Ubuntu Security Notice 6251-1 - It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.
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Ubuntu Security Notice 6250-1 - Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.
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It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform data buffer size validation in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service (system crash) or possibly expose sensitive information. Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in certain situations. An attacker in a guest VM could use this to cause a denial of service (guest crash). Various other issues were also addressed.
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