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Kernel Files

Red Hat Security Advisory 2021-0848-01
Posted Mar 16, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0848-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-14351
MD5 | 1523f51328a454e1a478dda9892a8fce
Ubuntu Security Notice USN-4877-1
Posted Mar 16, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4877-1 - It was discovered that the Marvell WiFi-Ex device driver in the Linux kernel did not properly validate ad-hoc SSIDs. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. 吴异 discovered that the NFS implementation in the Linux kernel did not properly prevent access outside of an NFS export that is a subdirectory of a file system. An attacker could possibly use this to bypass NFS access restrictions. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-36158, CVE-2021-3178
MD5 | 65a91b8f952c6c1ea32e71f869620dae
Ubuntu Security Notice USN-4876-1
Posted Mar 16, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4876-1 - Olivier Benjamin and Pawel Wieczorkiewicz discovered a race condition the Xen paravirt block backend in the Linux kernel, leading to a use-after-free vulnerability. An attacker in a guest VM could use this to cause a denial of service in the host OS. It was discovered that the Marvell WiFi-Ex device driver in the Linux kernel did not properly validate ad-hoc SSIDs. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-29569, CVE-2020-36158, CVE-2021-3178
MD5 | 450e71cf2aeed3c895c44fb3b0270291
Microsoft Windows Kernel NtGdiGetDeviceCapsAll Race Condition / Use-After-Free
Posted Mar 12, 2021
Authored by Google Security Research, mjurczyk

Microsoft Windows kernel suffers from a use-after-free of the PDEVOBJ object via a race condition vulnerability in NtGdiGetDeviceCapsAll.

tags | exploit, kernel
systems | windows
advisories | CVE-2021-26863
MD5 | 31454c2dcf01b0dc4bbe498526c27f84
Microsoft Windows Containers AppSilo Object Manager Privilege Escalation
Posted Mar 10, 2021
Authored by James Forshaw, Google Security Research

Microsoft Windows has an issue with containers where the kernel incorrectly chooses the wrong silo when looking up the root object manager directory leading to elevation of privilege.

tags | exploit, kernel, root
systems | windows
advisories | CVE-2021-26865
MD5 | d249fdb9dab1efdef449b7c32504cdc9
Red Hat Security Advisory 2021-0765-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0765-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0444, CVE-2020-14351, CVE-2020-25211, CVE-2020-25705, CVE-2020-29661
MD5 | 88665fa6046fc4f4f643c1c6e8669393
Red Hat Security Advisory 2021-0771-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0771-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-25723
MD5 | a8295c6936392a6294e3ebb1157e1ea3
Red Hat Security Advisory 2021-0774-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0774-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0444, CVE-2020-14351, CVE-2020-25211, CVE-2020-25705, CVE-2020-29661
MD5 | 025aec37b80e7099fb4f174ea60a2ae0
Red Hat Security Advisory 2021-0763-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0763-01 - 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 buffer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0444, CVE-2020-25211, CVE-2020-29661
MD5 | 42e820cc579d09bc87a51c535a03497b
Red Hat Security Advisory 2021-0760-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0760-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-24394, CVE-2020-25212
MD5 | ca6c0577b8ff2b5a55cc6622ecf9031a
Red Hat Security Advisory 2021-0711-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0711-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-35517
MD5 | b6a0d40484c38206e104ed78caaa273d
Red Hat Security Advisory 2021-0701-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0701-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | 7414ff24c1c6b8bd45da5b75de65b7b5
Red Hat Security Advisory 2021-0700-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0700-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | e1092492203235201d9202c7773db9a9
Red Hat Security Advisory 2021-0699-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0699-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | 46adb797f1a2a375676777f91bd2707c
Red Hat Security Advisory 2021-0702-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0702-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | bb807c0ca2a5e8950e4b826150306278
Red Hat Security Advisory 2021-0704-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0704-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | 8d90132cb5c5758420ea2326d3d3af2b
Red Hat Security Advisory 2021-0703-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0703-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | afa2e983baabff4428efd55913f63f65
Red Hat Security Advisory 2021-0697-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0697-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | 4cb1ed985ca6f84ebdb6fab7882238ff
Red Hat Security Advisory 2021-0696-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0696-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | e9ba2558554aa1730adf9136916c6928
Red Hat Security Advisory 2021-0698-01
Posted Mar 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0698-01 - The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | f19a88eeebd608835c6f056d9303e450
Red Hat Security Advisory 2021-0686-01
Posted Mar 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0686-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-0444, CVE-2020-14351, CVE-2020-25705, CVE-2020-29661
MD5 | 39d6802993abe938930544f16912e7dc
Red Hat Security Advisory 2021-0689-01
Posted Mar 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0689-01 - 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.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-0444, CVE-2020-29661
MD5 | 4945818ac12248278aae01aed5b909f3
Ubuntu Security Notice USN-4752-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4752-1 - Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen discovered that legacy pairing and secure-connections pairing authentication in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. A physically proximate attacker could use this to impersonate a previously paired Bluetooth device. Jay Shin discovered that the ext4 file system implementation in the Linux kernel did not properly handle directory access with broken indexing, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2020-10135, CVE-2020-14314, CVE-2020-15436, CVE-2020-15437, CVE-2020-24490, CVE-2020-25212, CVE-2020-25284, CVE-2020-25641, CVE-2020-25643, CVE-2020-25704, CVE-2020-27152, CVE-2020-27815, CVE-2020-28588, CVE-2020-28915, CVE-2020-29368, CVE-2020-29369, CVE-2020-29371, CVE-2020-29660, CVE-2020-29661, CVE-2020-35508
MD5 | 9add7841f0ccf8f64e1da83e75e06c64
Ubuntu Security Notice USN-4751-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4751-1 - It was discovered that the console keyboard driver in the Linux kernel contained a race condition. A local attacker could use this to expose sensitive information. Minh Yuan discovered that the tty driver in the Linux kernel contained race conditions when handling fonts. A local attacker could possibly use this to expose sensitive information. Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-25656, CVE-2020-25668, CVE-2020-25669, CVE-2020-25704, CVE-2020-27673, CVE-2020-27675, CVE-2020-27777, CVE-2020-27815, CVE-2020-27830, CVE-2020-27835, CVE-2020-28588, CVE-2020-28974, CVE-2020-29568, CVE-2020-29569, CVE-2020-29660, CVE-2020-29661, CVE-2020-35508
MD5 | 7bb32fb3e62f03bec71b2c606776cd36
Ubuntu Security Notice USN-4753-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4753-1 - It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2020-28374
MD5 | 3137bd80ba971c0edbe8ff58fc754a23
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