Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Fix the invocation of flushcpuslab and freeslab in the task context. The commit 5a836bf6b09f “mm: slub: Move the invocation of flushcpuslab and freeslab out of the IRQ context” fixes this issue by moving all invocations...

CVE-2025-68199

In the Linux kernel, the following vulnerability has been resolved: codetag: debug: handle existing CODETAGEMPTY in markobjextsempty for slabobjext When allocslabobjexts fails and then later succeeds in allocating a slab extension vector, it calls handlefailedobjextsalloc to mark all objects in t...

CVE-2025-68199

In the Linux kernel, the following vulnerability has been resolved: codetag: debug: handle existing CODETAGEMPTY in markobjextsempty for slabobjext When allocslabobjexts fails and then later succeeds in allocating a slab extension vector, it calls handlefailedobjextsalloc to mark all objects in t...

CVE-2025-68199

Mode C: The CVE-2025-68199 entry concerns the Linux kernel, where an issue in the slab allocator (mm/slub.c) arises when free_slab_obj_exts() encounters slabobj_exts already set to CODETAG_EMPTY instead of NULL. The root cause is that, after a failed then later successful alloc_slab_obj_exts(), o...

kernel security update

2.6.32-754.53.1.OL6 - net/sched: schqfq: refactor parsing of netlink parameters Orabug: 36517546 - net/sched: schqfq: account for stab overhead in qfqenqueue CVE-2023-3611 Orabug: 36517546 - net/sched: clsfw: Fix improper refcount update leads to use-after-free CVE-2023-3776 Orabug: 36517546 - ne...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

PT-2022-34790 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.12 Description: The issue is related to the slub component in the Linux Kernel, specifically with the flush cpu slab and free slab functions being invoked in a task context. The actual impact and attack...

PT-2022-34827

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.71 Description The issue concerns the Linux Kernel, where flush cpu slab and free slab invocations in task context have been fixed. The actual impact and attack plausibility have not yet been proven...