CVE-2024-56611: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix migratetonode assuming there is at least one VMA in a MM We currently assume that there is at least one VMA in a MM, which isn't true. So we might end up having findvma return NULL, to then de-reference NULL. So...

The vulnerability of the mm/huge_memory component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the mm/hugememory component in the Linux operating system’s kernel is related to improper error handling in the functions cs35l56hdaunbind, cs35l56hdacommonprobe, and cs35l56hdaremove. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2024-53136

In the Linux kernel, the following vulnerability has been resolved: mm: revert "mm: shmem: fix data-race in shmemgetattr" Revert d949d1d14fa2 "mm: shmem: fix data-race in shmemgetattr" as suggested by Chuck 1. It is causing deadlocks when accessing tmpfs over NFS. As Hugh commented, "added just t...

CVE-2024-53136

In CVE-2024-53136, the Linux kernel mm/shmem fix was reverted: reverting the patch that fixed data-race in shmem_getattr() to address deadlocks when accessing tmpfs over NFS. The description notes the revert was done at d949d1d14fa2 per guidance, with comments indicating the change silenced a syz...

CVE-2024-53136

In the Linux kernel, the following vulnerability has been resolved: mm: revert "mm: shmem: fix data-race in shmemgetattr" Revert d949d1d14fa2 "mm: shmem: fix data-race in shmemgetattr" as suggested by Chuck 1. It is causing deadlocks when accessing tmpfs over NFS. As Hugh commented, "added just t...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2024-53096

In the Linux kernel, the following vulnerability has been resolved: mm: resolve faulty mmapregion error path behaviour The mmapregion function is somewhat terrifying, with spaghetti-like control flow and numerous means by which issues can arise and incomplete state, memory leaks and other...

CVE-2024-53105

In the Linux kernel, the following vulnerability has been resolved: mm: pagealloc: move mlocked flag clearance into freepagesprepare Syzbot reported a bad page state problem caused by a page being freed using freepage still having a mlocked flag at freepagesprepare stage: BUG: Bad page state in...

CVE-2024-53111

The CVE-2024-53111 issue is in the Linux kernel mm/mremap.c: move_page_tables on 32-bit arches, where len + old_addr can wrap and trigger a false positive in the old_end check. This can cause mremap() to report success without moving PTEs, potentially losing contents of anonymous private mappings...

CVE-2024-53105

CVE-2024-53105 is a Linux kernel vulnerability in the memory allocator path. The issue was caused by not clearing the mlocked flag during page freeing, which could lead to a bad page state during free_pages_prepare. The fixed code moves the mlocked flag clearance into free_pages_prepare() within ...

CVE-2024-53111: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix address wraparound in movepagetables On 32-bit platforms, it is possible for the expression len + oldaddr oldend to be false-positive if len + oldaddr wraps around. oldaddr is the cursor in the old range up to whic...

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 address wrap-around issue on 32-bit platforms with the movepagetables function in the mm/mremap component...

SUSE-SU-2024:4103-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2021-47589: igbvf: fix double free in igbvfprobe bsc1226557. - CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1231893. - CVE-2022-48960: net:...

kernel:4.18.0 security update

4.18.0-553.30.110.OL8 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

CVE-2024-53096

In the Linux kernel, the following vulnerability has been resolved: mm: resolve faulty mmapregion error path behaviour The mmapregion function is somewhat terrifying, with spaghetti-like control flow and numerous means by which issues can arise and incomplete state, memory leaks and other...

CVE-2024-53097

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...

CVE-2024-53097

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...

Unbreakable Enterprise kernel security update

5.4.17-2136.336.5.3.1.el8uek - mm: avoid leaving partial pfn mappings around in error case Linus Torvalds Orabug: 37311329 CVE-2024-47674 - mm: add remappfnrangenotrack Christoph Hellwig Orabug: 37311329 CVE-2024-47674 - mm/memory.c: make remappfnrange reject unaligned addr Alex Zhang Orabug:...

CVE-2024-53065

In the Linux kernel, the following vulnerability has been resolved: mm/slab: fix warning caused by duplicate kmemcache creation in kmembucketscreate Commit b035f5a6d852 "mm: slab: reduce the kmalloc minimum alignment if DMA bouncing possible" reduced ARCHKMALLOCMINALIGN to 8 on arm64. However, wi...