Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: allow exp not to be removed in nfctfindexpectation CVE-2023-52927 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signing key CVE-2024-53179 In the...

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...

DEBIAN-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 tcp: drop secpath at the same time as we currently drop dst

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...