CVE-2025-40008

CVE-2025-40008 is a Linux kernel vulnerability involving kmsan shadow memory. The issue arises when a memset is performed on a buffer not 4-byte aligned that spans a guard page, causing an out-of-bounds read of shadow memory and a kernel crash (oops) in kmsan_internal_set_shadow_origin. The root ...

CVE-2025-40008 kmsan: fix out-of-bounds access to shadow memory

In the Linux kernel, the following vulnerability has been resolved: kmsan: fix out-of-bounds access to shadow memory Running sha224kunit on a KMSAN-enabled kernel results in a crash in kmsaninternalsetshadoworigin: BUG: unable to handle page fault for address: ffffbc3840291000 PF: supervisor read...

CVE-2025-40008 kmsan: fix out-of-bounds access to shadow memory

In the Linux kernel, the following vulnerability has been resolved: kmsan: fix out-of-bounds access to shadow memory Running sha224kunit on a KMSAN-enabled kernel results in a crash in kmsaninternalsetshadoworigin: BUG: unable to handle page fault for address: ffffbc3840291000 PF: supervisor read...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an out-of-bounds access to shadow memory in the kmsaninternalsetshadoworigin function, which could cause the...

PT-2025-42777

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc3 Description A flaw exists in the Linux kernel related to out-of-bounds access to shadow memory within the Kernel Memory Sanitizer KMSAN. Specifically, when running sha224 kunit on a KMSAN-enabled kerne...

Tech-ASan: Two-Stage Check for Address Sanitizer

Address Sanitizer ASan is a sharp weapon for detecting memory safety violations, including temporal and spatial errors hidden in C/C++ programs during execution. However, ASan incurs significant runtime overhead, which limits its efficiency in testing large software. The overhead mainly comes fro...

UBUNTU-CVE-2025-22060

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: Prevent parser TCAM memory corruption Protect the parser TCAM/SRAM memory, and the cached shadow SRAM information, from concurrent modifications. Both the TCAM and SRAM tables are indirectly accessed by configuring an...

CVE-2024-56559

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: combine all TLB flush operations of KASAN shadow virtual address into one operation When compiling kernel source 'make -j $nproc' with the up-and-running KASAN-enabled kernel on a 256-core machine, the following soft...

Xen 'mm/shadow/multi.c' memory corruption vulnerability

Xen is an open source virtual machine monitor product developed by the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A memory corruption vulnerability...

Address Sanitizer in macOS-vulnerability warning-the black bar safety net

A few days ago, the Keen Team@marcograss on their blog released a using Address Sanitizeraka asan found a heap overflow vulnerability. Discuss here about asan implementation. This article relates to the environment macOS 10.11.6 Xcode 7.3.1 make sure to use the official Apple's clang, with the op...

Moderate: Red Hat Security Advisory: Red Hat Enterprise MRG Grid 2.0 security, bug fix and enhancement update

Updated Grid component packages that fix one security issue, multiple bugs, and add various enhancements are now available for Red Hat Enterprise MRG 2.0 for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common...