Ubuntu 22.04 LTS / 23.04 : Linux kernel vulnerabilities (USN-6534-1)

The remote Ubuntu 22.04 LTS / 23.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6534-1 advisory. It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations,...

USN-6494-2: Linux kernel vulnerabilities

Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service system crash. CVE-2023-31085 Lucas Leong discovered that the netfilter subsystem in the...

CLSA-2023-1701266210 Fix of 10 CVEs

CVE-2023-31085 // CVE-url: https://ubuntu.com/security/CVE-2023-31085 - ubi: Refuse attaching if mtd's erasesize is 0 Jammy update: v5.15.121 upstream stable release LP: 2032689 // CVE-url: https://ubuntu.com/security/CVE-2023-4132 - media: usb: siano: Fix warning due to null workfunct function...

Ubuntu: Security Advisory (USN-6497-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6497-1: Linux kernel (OEM) vulnerabilities

Maxim Levitsky discovered that the KVM nested virtualization SVM implementation for AMD processors in the Linux kernel did not properly handle x2AVIC MSRs. An attacker in a guest VM could use this to cause a denial of service host kernel crash. CVE-2023-5090 Alon Zahavi discovered that the...

USN-6494-1: Linux kernel vulnerabilities

Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service system crash. CVE-2023-31085 Lucas Leong discovered that the netfilter subsystem in the...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.325.5.el8 - perf symbols: Symbol lookup with kcore can fail if multiple segments match stext Krister Johansen Orabug: 35905508 - char: misc: Increase the maximum number of dynamic misc devices to 1048448 D Scott Phillips Orabug: 35905508 - perf/arm-cmn: Fix invalid pointer when access...

Important: kernel

Issue Overview: A race condition between two functions, lmLogClose and txEnd, in the Linux kernel's JFS filesystem can lead to a use-after-free vulnerability and crash. CVE-2023-3397 An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO...

Important: kernel

Issue Overview: A race condition between two functions, lmLogClose and txEnd, in the Linux kernel's JFS filesystem can lead to a use-after-free vulnerability and crash. CVE-2023-3397 In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to...

Important: kernel

Issue Overview: A race condition between two functions, lmLogClose and txEnd, in the Linux kernel's JFS filesystem can lead to a use-after-free vulnerability and crash. CVE-2023-3397 In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-430)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-430 advisory. An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO registers. Incorrect access checking in the VC handler and instruction emulati...

kernel: perf tool x86: Fix perf_env memory leak

In the Linux kernel, the following vulnerability has been resolved: perf tool x86: Fix perfenv memory leak Found by leak sanitizer: ==1632594==ERROR: LeakSanitizer: detected memory leaks Direct leak of 21 bytes in 1 objects allocated from: 0 0x7f2953a7077b in interceptorstrdup...

Important: kernel

Issue Overview: An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO registers. Incorrect access checking in the VC handler and instruction emulation of the SEV-ES emulation of MMIO accesses could lead to arbitrary write access to kern...

Unbreakable Enterprise kernel security update

5.4.17-2136.325.5 - perf symbols: Symbol lookup with kcore can fail if multiple segments match stext Krister Johansen Orabug: 35905508 - char: misc: Increase the maximum number of dynamic misc devices to 1048448 D Scott Phillips Orabug: 35905508 - perf/arm-cmn: Fix invalid pointer when access dtc...

kernel: perf/x86/amd/core: Always clear status for idx

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/core: Always clear status for idx The variable 'status' which contains the unhandled overflow bits is not being properly masked in some cases, displaying the following warning: WARNING: CPU: 156 PID: 475601 at...

kernel: perf: Fix perf_pending_task() UaF

A use-after-free vulnerability was found in the Linux kernel. It is possible for perfpendingtask to run after the event is free, resulting in a loss of system availability...

kernel: perf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix perfoutputbegin parameter is incorrectly invoked in perfeventbpfoutput syzkaller reportes a KASAN issue with stack-out-of-bounds. The call trace is as follows: dumpstack+0x9c/0xd3...

PT-2025-18837 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the perf/x86/amd/core component, where the status variable, containing unhandled overflow bits, is not...

PT-2025-18851 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.4 through 5.5 Description: A vulnerability in the Linux kernel has been resolved, related to the misuse of non-idle barriers as fence trackers. The issue was caused by a race condition in the barrier processing code,...

Fedora: Security Advisory for llvm-bolt (FEDORA-2023-67f0f8d186)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...