Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1, linux

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fixed AUX buffer serialization. Ole reported that the event-mmapmutex is strictly insufficient to serialize the AUX buffer. To serialize it properly, a per-RB mutex should be added. Note that the lock order comment stat...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993107)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993107 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event-mmapmutex is strictly insufficient...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990872)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990872 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event-mmapmutex is strictly insufficient...

EUVD-2025-36447

In the Linux kernel, the following vulnerability has been resolved: perf: armspe: Prevent overflow in PERFIDX2OFF Cast nrpages to unsigned long to avoid overflow when handling large AUX buffer sizes = 2 GiB...

UBUNTU-CVE-2025-38563

In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevent VMA split of buffer mappings The perf mmap code is careful about mmap'ing the user page with the ringbuffer and additionally the auxiliary buffer, when the event supports it. Once the first mapping is...

CVE-2025-38563

CVE-2025-38563 affects the Linux kernel perf subsystem. The issue arises when perf mmap-based mappings can be split (VMA split) after initial mapping, causing mismatched offsets/sizes and leaking reference counts for ringbuffer/auxiliary buffers. The fix adds vm_operations_struct.may_split() and ...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in subflowfinishconnect bsc122459...