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...

SUSE CVE-2022-49700

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add missing TID updates on slab deactivation The fastpath in slaballocnode assumes that c-slab is stable as long as the TID stays the same. However, two places in slaballoc currently don't update the TID when deactivatin...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from the slab allocator failing to update the TID when freeing a CPU slab, which could result in...

UBUNTU-CVE-2022-48658

In the Linux kernel, the following vulnerability has been resolved: mm: slub: fix flushcpuslab/freeslab invocations in task context. Commit 5a836bf6b09f "mm: slub: move flushcpuslab invocations freeslab invocations out of IRQ context" moved all flushcpuslab invocations to the global workqueue to...

CVE-2022-48658

CVE-2022-48658 affects the Linux kernel:mm/slub: flush_cpu_slab()/__free_slab() invocations were moved out of IRQ context into a global workqueue. When flush_all_cpu_locked() runs from task context, a WQ_MEM_RECLAIM-enabled workqueue may flush the global workqueue, causing a dependency issue duri...

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...