kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

ALSA-2026:39180 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in...

The vulnerability of the xfrm_alloc_spi() function in the net/xfrm/xfrm_state.c module, which is part of the Linux kernel’s networking functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the xfrmallocspi function in the net/xfrm/xfrmstate.c module, which implements networking functions in the Linux kernel, is related to insufficient checks for data uniqueness during searches. Exploiting this vulnerability could allow an attacker to compromise the...

EUVD-2025-7601

Malicious code in bioql PyPI...

CVE-2025-21864

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

CVE-2025-21864

CVE-2025-21864 affects the Linux kernel TCP path. The issue arises when netns are deleted and an skb defers free, leaving a lingering reference to an xfrm_state via the secpath attached to the skb. The kernel previously dropped dst but not the secpath; the fix drops the secpath in the TCP receive...

PUB-A-191191823

In xfrmstatefini and related functions of xfrmstate.c and related files, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation...

PWN2OWN 2017 the Linux kernel to mention the right vulnerability analysis-vulnerability warning-the black bar safety net

! 0. Foreword In 2017, the PWN2OWN contest, the long Pavilion security research lab Chaitin Security Research Lab successfully demonstrates Ubuntu 16.10 Desktop of the local extraction rights. This attack mainly use the linux kernel IPSEC frameworkfrom linux2. 6 Start supportin a memory bounds...