CVE-2024-53097 mm: krealloc: Fix MTE false alarm in __do_krealloc

In the Linux kernel, the following vulnerability has been resolved: mm: krealloc: Fix MTE false alarm in dokrealloc This patch addresses an issue introduced by commit 1a83a716ec233 "mm: krealloc: consider spare memory for GFPZERO" which causes MTE Memory Tagging Extension to falsely report a...

CVE-2024-53097

CVE-2024-53097 affects the Linux kernel mm/krealloc path. Connected sources confirm a patch for mm: krealloc: Fix MTE false alarm in __do_krealloc, addressing a false KASAN/MTE slab-out-of-bounds error triggered when zeroing spare memory in __do_krealloc. Root cause: memory tagging mismatch due t...

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 issue introduced in dokrealloc that causes the MTE to incorrectly report a slab-out-of-bounds error...

SUSE CVE-2024-50139

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix shift-out-of-bounds bug Fix a shift-out-of-bounds bug reported by UBSAN when running VM with MTE enabled host kernel. UBSAN: shift-out-of-bounds in arch/arm64/kvm/sysregs.c:1988:14 shift exponent 33 is too large f...

CVE-2024-50139

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix shift-out-of-bounds bug Fix a shift-out-of-bounds bug reported by UBSAN when running VM with MTE enabled host kernel. UBSAN: shift-out-of-bounds in arch/arm64/kvm/sysregs.c:1988:14 shift exponent 33 is too large f...

CVE-2024-50139 KVM: arm64: Fix shift-out-of-bounds bug

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix shift-out-of-bounds bug Fix a shift-out-of-bounds bug reported by UBSAN when running VM with MTE enabled host kernel. UBSAN: shift-out-of-bounds in arch/arm64/kvm/sysregs.c:1988:14 shift exponent 33 is too large f...

kernel: arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored

A vulnerability was found in the ARM64 Memory Tagging Extension MTE implementation in the Linux kernel. The PGmtetagged bit was being incorrectly set on pages that should not have MTE tags, causing conflicts with KASAN hardware tag checking. When pages are migrated, incorrect tags could be copied...

PT-2022-35395 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.76 Description: The issue concerns the initialization of registers in the arm64 architecture, specifically related to the Memory Tagging Extension MTE feature. The actual impact and potential for attacks...

PT-2022-35159 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue concerns the initialization of registers in the arm64 architecture, specifically related to the MTE Memory Tagging Extension feature. The actual impact and potential for attacks hav...

PT-2022-33594 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.2 Description: The issue is related to the arm64 kernel and the Memory Tagging Extension MTE. It involves the page tag in page-flags not being reset properly. The actual impact and potential for attack hav...

Google and ARM Tackle Android Bugs with Memory-Tagging

Aiming at improving the security of the Android ecosystem, Google has partnered up with mobile silicon-maker ARM to implement a hardware-based bug detection tool specifically for memory-safety vulnerabilities. Dubbed the memory-tagging extension MTE, the feature helps mitigate these kinds of bugs...