PT-2025-18829

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the incorrect invocation of the perf output begin parameter in perf event bpf output. This issue causes memory overwriti...

CLSA-2023-1698306895 Fix of 7 CVEs

CVE-2023-0597 // CVE-url: https://ubuntu.com/security/CVE-2023-0597 - x86/kasan: Map shadow for percpu pages on demand - x86/mm: Recompute physical address for every page of per-CPU CEA mapping - x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area - x86/mm: Do not shuffle CPU...

CLSA-2023-1686651204 kernel: Fix of 25 CVEs

cgroup: Use open-time cgroup namespace for process migration perm checks CVE-2021-4197 - cgroup: Use open-time credentials for process migraton perm checks CVE-2021-4197 - vt: drop old FONT ioctls CVE-2021-33656 - fbmem: Check virtual screen sizes in fbsetvar CVE-2021-33655 - fbcon: Prevent that...

kernel: Linux kernel: Denial of Service in mt7921e driver during module unload

A flaw was discovered in the mt76/mt7921e Wi-Fi driver in the Linux kernel where improper handling of driver data during module removal can lead to a crash. Under certain insmod/rmmod stress test conditions, the driver’s mt7921pciremove function is called while the associated mt76dev driver priva...

kernel: md-raid10: fix KASAN warning

In the Linux kernel, the following vulnerability has been resolved: md-raid10: fix KASAN warning There's a KASAN warning in raid10removedisk when running the lvm test lvconvert-raid-reshape.sh. We fix this warning by verifying that the value "number" is valid. BUG: KASAN: slab-out-of-bounds in...

kernel: cxl/port: Hold port reference until decoder release

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold port reference until decoder release KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease where it goes to reference its parent, a cxlport, to free its id back to port-decoderida. BUG...

kernel: SUNRPC: Trap RDMA segment overflows

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svcrdmabuildwrites from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, and might have been left over from an earlie...

kernel: bpf: Don't use tnum_range on array range checking for poke descriptors

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN splat triggered by their BPF runtime fuzzer which is based on a customized syzkaller: BUG: KASAN: slab-out-of-bounds in...

kernel: md-raid10: fix KASAN warning

In the Linux kernel, the following vulnerability has been resolved: md-raid10: fix KASAN warning There's a KASAN warning in raid10removedisk when running the lvm test lvconvert-raid-reshape.sh. We fix this warning by verifying that the value "number" is valid. BUG: KASAN: slab-out-of-bounds in...

kernel: Linux kernel: Denial of Service in mt7921e driver during module unload

A flaw was discovered in the mt76/mt7921e Wi-Fi driver in the Linux kernel where improper handling of driver data during module removal can lead to a crash. Under certain insmod/rmmod stress test conditions, the driver’s mt7921pciremove function is called while the associated mt76dev driver priva...

PT-2025-26155

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UAF bug has been identified in the Linux kernel's ALSA Advanced Linux Sound Architecture component, specifically in the bcd2000 driver. This issue occurs when the driver...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

PT-2025-18839

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue was discovered in the Linux kernel, specifically in the ftrace subsystem. The problem occurs when the lookup rec function accesses an invalid address, which is...

GSD-2023-1002315 kasan: fix Oops due to missing calls to kasan_arch_is_ready()

kasan: fix Oops due to missing calls to kasanarchisready This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.13 by commit...

PT-2025-37870

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-1868 1 Description The Linux kernel contains a flaw within the UBI Unsorted Block Images subsystem related to VID Volume ID header handling. Specifically, the code does not adequately ensure that the sum of...

Introducing kernel sanitizers on Microsoft platforms

As part of Microsoft’s commitment to continuously raise security baselines, we have been introducing innovations to the foundation of the chip-to-cloud security outlined in the Windows 11 Security Book. Strong foundational security enables us to build defenses from the ground up and develop...

Introducing kernel sanitizers on Microsoft platforms

As part of Microsoft’s commitment to continuously raise security baselines, we have been introducing innovations to the foundation of the chip-to-cloud security outlined in the Windows 11 Security Book. Strong foundational security enables us to build defenses from the ground up and develop...

GSD-2023-1000333 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.268 by commit...

GSD-2023-1000297 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.226 by commit...

GSD-2023-1000237 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.158 by commit...