Ubuntu 24.04 LTS / 25.10 : Linux kernel vulnerabilities (USN-8094-1)

"The remote Ubuntu 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8094-1 advisory. Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could us...

USN-8094-1 linux, linux-aws, linux-aws-6.17, linux-gcp, linux-hwe-6.17, linux-oracle, linux-oracle-6.17 vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

The vulnerability of the init_amd_zen4() function in the arch/x86/kernel/cpu/amd.c module, which is part of the Linux operating system’s kernel support for x86 platforms, allows a hacker to trigger a system failure.

The vulnerability of the initamdzen4 function in the arch/x86/kernel/cpu/amd.c module, which supports Linux’s x86 kernel, is related to errors in the code for generating pseudo-random numbers. Exploiting this vulnerability could allow an attacker to cause a system failure...

CVE-2025-68195 x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Add missing terminator for zen5rdseedmicrocode Running x86matchminmicrocoderev on a Zen5 CPU trips up KASAN for an out of bounds access...

XenServer Security Update for CVE-2025-62626

Severity: Medium Description of Problem A hardware issue has been identified in AMD Zen 5 CPU devices that may cause those CPUs to return a value of zero more frequently than statistically expected when asked to generate a random value. This may compromise e.g. cryptographic keys that are generat...

Unbreakable Enterprise kernel security update

5.15.0-314.193.5.3 - Revert 'cpufreq: Introduce an optional cpuinfoavgfreq sysfs entry' Samasth Norway Ananda Orabug: 38633525 5.15.0-314.193.5.2 - i40e: add validation for ringlen param Lukasz Czapnik Orabug: 38607608 CVE-2025-39973 - i40e: increase max descriptors for XL710 Justin Bronder Orabu...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortnam...

SUSE-SU-2025:3761-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. - CVE-2022-50233: Bluetooth: eir: Fix using strlen with...

SUSE-SU-2025:3716-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortname...

SUSE-SU-2025:03613-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortname...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortname...

SUSE CVE-2023-53438

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

CVE-2023-53438

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

DEBIAN-CVE-2023-53438

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

AZL-71924 CVE-2023-53438 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

CVE-2023-53438 x86/MCE: Always save CS register on AMD Zen IF Poison errors

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

CVE-2023-53438 x86/MCE: Always save CS register on AMD Zen IF Poison errors

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

CVE-2023-53438 x86/MCE: Always save CS register on AMD Zen IF Poison errors

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

CVE-2023-53438

CVE-2023-53438 : In the Linux kernel, the AMD Zen IF poison error path could misclassify context due to non-synchronous delivery of poison by the IF unit. The issue is mitigated by adding a quirk to always save the Code Segment (CS) register when poison is consumed from the IF unit banks, ensurin...

PT-2025-38457

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the x86/MCE subsystem related to handling Machine Check Exceptions MCE on AMD Zen-based systems. Specifically, the Instruction Fetch IF units may...