CVE-2026-63979 net/handshake: hand off the pinned file reference to accept_doit

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to acceptdoit handshakereqnext removes the request from the per-net pending list and drops hnlock before handshakenlacceptdoit reads req-hrsk-sksocket and dereferences sock-file...

CVE-2026-63978 net/handshake: Drain pending requests at net namespace exit

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Drain pending requests at net namespace exit The arguments to listspliceinit in handshakenetexit are reversed. The call moves the local empty "requests" list onto hn-hnrequests, leaving the local list empty, so the...

PT-2026-61296

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to accept doit handshake req next removes the request from the per-net pending list and drops hn lock before handshake nl accept doit reads req-hr sk-sk socket and dereferences...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/handshake: fixed null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if the socket lookup fails. We should also call tracehandshakecmddoneerr before releasing the file; otherwise, dereferencin...

SUSE-SU-2026:0471-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-40257: mptcp: fix a race in mptcppmdeladdtimer bsc1254842. - CVE-2025-40259: scsi: sg: Do not sleep in atomic context bsc1254845. - CVE-2025-68284: libceph:...

UBUNTU-CVE-2025-71148

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshakereqsubmit replaces sk-skdestruct but never restores it when submission fails before the request is hashed. handshakeskdestruct then returns early and the original...

CVE-2025-71148

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshakereqsubmit replaces sk-skdestruct but never restores it when submission fails before the request is hashed. handshakeskdestruct then returns early and the original...

CVE-2025-71148 net/handshake: restore destructor on submit failure

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshakereqsubmit replaces sk-skdestruct but never restores it when submission fails before the request is hashed. handshakeskdestruct then returns early and the original...

net/handshake: duplicate handshake cancellations leak socket

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CVE-2025-68775

In the Linux kernel, the following vulnerability has been resolved: net/handshake: duplicate handshake cancellations leak socket When a handshake request is cancelled it is removed from the handshakenet-hnrequests list, but it is still present in the handshakerhashtbl until it is destroyed. If a...

CVE-2023-53686

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2024-26831

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Fix handshakereqdestroytest1 Recently, handshakereqdestroytest1 started failing: Expected handshakereqdestroytest == req, but handshakereqdestroytest == 0000000000000000 req == 0000000060f99b40 not ok 11 reqdestroy...

CVE-2024-26831 net/handshake: Fix handshake_req_destroy_test1

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Fix handshakereqdestroytest1 Recently, handshakereqdestroytest1 started failing: Expected handshakereqdestroytest == req, but handshakereqdestroytest == 0000000000000000 req == 0000000060f99b40 not ok 11 reqdestroy...

CVE-2024-26831

CVE-2024-26831 : Linux kernel vulnerability affecting the handshake path in net/handshake, where the test handshake_req_destroy_test1 failed due to replacing sock_release(sock) with fput(filp). This change delayed final close/cleanup, risking that hp_destroy might not be invoked before the test c...