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CVE-2022-4129

Status Candidate

Overview

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

Related Files

Ubuntu Security Notice USN-6256-1
Posted Jul 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6256-1 - Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3108, CVE-2022-3707, CVE-2022-3903, CVE-2022-4129, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073, CVE-2023-1074, CVE-2023-1075, CVE-2023-1076, CVE-2023-1077, CVE-2023-1078, CVE-2023-1079, CVE-2023-1118
SHA-256 | 53c2946b5d19f257334d1182e7199b58771f576b4b09ca7d1fb73edd8b8401a3
Ubuntu Security Notice USN-6222-1
Posted Jul 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6222-1 - Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3108, CVE-2022-3707, CVE-2022-3903, CVE-2022-4129, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073, CVE-2023-1074, CVE-2023-1075, CVE-2023-1076, CVE-2023-1077, CVE-2023-1078, CVE-2023-1079, CVE-2023-1118
SHA-256 | 94dbf49a52b22f22555588a1537c9f53427bb276aea89e1ea9e550c810bfd1d7
Ubuntu Security Notice USN-6134-1
Posted Jun 2, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6134-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. It was discovered that the Traffic-Control Index implementation in the Linux kernel contained 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-2022-27672, CVE-2022-3707, CVE-2022-4129, CVE-2022-47929, CVE-2022-4842, CVE-2023-0386, CVE-2023-0394, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073, CVE-2023-1074, CVE-2023-1075, CVE-2023-1078, CVE-2023-1118
SHA-256 | f29d43641cf6602854ca5f12c8ec924f3cc0c924589ae311e0273f588159f703
Ubuntu Security Notice USN-6096-1
Posted May 23, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6096-1 - It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-27672, CVE-2022-36280, CVE-2022-3707, CVE-2022-4129, CVE-2022-4842, CVE-2022-48423, CVE-2022-48424, CVE-2023-0210, CVE-2023-0394, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073, CVE-2023-1074, CVE-2023-1075
SHA-256 | 34cc30ebdf58924fb1b0c1d2ffdb4157e4f644bf5821397bbd37680bea54a1e2
Ubuntu Security Notice USN-6093-1
Posted May 22, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6093-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. It was discovered that the Traffic-Control Index implementation in the Linux kernel contained 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-2022-3108, CVE-2022-3903, CVE-2022-4129, CVE-2023-0458, CVE-2023-1073, CVE-2023-1074, CVE-2023-1281, CVE-2023-1829, CVE-2023-26545
SHA-256 | a978cac588db84607cc6b04a9d12c7eba418d67966b505fd71ab931daba3fd00
Ubuntu Security Notice USN-6091-1
Posted May 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6091-1 - It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-27672, CVE-2022-36280, CVE-2022-3707, CVE-2022-4129, CVE-2022-4842, CVE-2022-48423, CVE-2022-48424, CVE-2023-0210, CVE-2023-0394, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073, CVE-2023-1074, CVE-2023-1075
SHA-256 | 651ba1a89cf9b5d5fcfc6ec7f0f13b73b41225a33fc642efba219a7eab3cd1ba
Ubuntu Security Notice USN-6079-1
Posted May 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6079-1 - It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-27672, CVE-2022-36280, CVE-2022-3707, CVE-2022-4129, CVE-2022-4842, CVE-2022-48423, CVE-2022-48424, CVE-2023-0210, CVE-2023-0394, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073, CVE-2023-1074, CVE-2023-1075
SHA-256 | c55226f642efc261a275c77b949560f51ecbee738f4b1ae410a64e9ef5623271
Ubuntu Security Notice USN-6057-1
Posted May 5, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6057-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel contained 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 OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4129, CVE-2022-47929, CVE-2022-4842, CVE-2023-0386, CVE-2023-0394, CVE-2023-1073, CVE-2023-1074, CVE-2023-1281, CVE-2023-1652, CVE-2023-26545
SHA-256 | 040f1d117d95311a74a29ff7b24fcda0c036e35e0b140bebc5c6fe078bee84e0
Ubuntu Security Notice USN-6040-1
Posted Apr 25, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6040-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel contained 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 OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4129, CVE-2022-47929, CVE-2022-4842, CVE-2023-0386, CVE-2023-0394, CVE-2023-1073, CVE-2023-1074, CVE-2023-1281, CVE-2023-1652, CVE-2023-26545
SHA-256 | 26dff9542ab0bc55ce32713143c92728543d90f446c699eee6688caf98c1678e
Ubuntu Security Notice USN-6027-1
Posted Apr 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6027-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3108, CVE-2022-3903, CVE-2022-4129, CVE-2023-1073, CVE-2023-1074, CVE-2023-1281, CVE-2023-26545
SHA-256 | 39f49abc79546dbf0c1c8b9ee0c0ae03dfb6d15515f347f1ec3c32d1c433e8d1
Ubuntu Security Notice USN-6025-1
Posted Apr 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6025-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel contained 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 OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4129, CVE-2022-47929, CVE-2022-4842, CVE-2023-0386, CVE-2023-0394, CVE-2023-1073, CVE-2023-1074, CVE-2023-1281, CVE-2023-1652, CVE-2023-26545
SHA-256 | 8c6281ddbf56e092c3440753f9d56a5e0dadfd6af2c500c94bc852f14299edf8
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