Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: skbuff: fixed the coalescing behavior for pagepool fragment recycling. Fixed a use-after-free issue when using pagepool with page fragments. We encountered this problem during normal RX processing in the hns3 driver: 1 Initially,...

EUVD-2026-31536

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving frags from source to...

DEBIAN-CVE-2023-53186

In the Linux kernel, the following vulnerability has been resolved: skbuff: Fix a race between coalescing and releasing SKBs Commit 1effe8ca4e34 "skbuff: fix coalescing for pagepool fragment recycling" allowed coalescing to proceed with non page pool page and page pool page when @from is cloned,...

PT-2025-37550

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition exists between coalescing and releasing SKBs Socket Buffer in the Linux kernel. A commit intended to fix coalescing for page pool fragment recycling inadvertently...

The vulnerability of the skb_try_coalesce() function in the net/core/skbuff.c module, which is part of the Linux kernel’s network-related functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the skbtrycoalesce function in the net/core/skbuff.c module, which is part of Linux’s kernel network functions, relates to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...