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Description

In the Linux kernel, the following vulnerability has been resolved: tipc: fix memory leak in tipc_link_xmit In case the backlog transmit queue for system-importance messages is overloaded, tipc_link_xmit() returns -ENOBUFS but the skb list is not purged. This leads to memory leak and failure when a skb is allocated. This commit fixes this issue by purging the skb list before tipc_link_xmit() returns.

PUBLISHED Reserved 2025-04-16 | Published 2025-05-01 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

365ad353c2564bba8835290061308ba825166b3a (git) before 84895f5ce3829d9fc030e5ec2d8729da4c0c9d08
affected

365ad353c2564bba8835290061308ba825166b3a (git) before d4d40e437adb376be16b3a12dd5c63f0fa768247
affected

365ad353c2564bba8835290061308ba825166b3a (git) before ed06675d3b8cd37120b447646d53f7cd3e6fcd63
affected

365ad353c2564bba8835290061308ba825166b3a (git) before 24e6280cdd7f8d01fc6b9b365fb800c2fb7ea9bb
affected

365ad353c2564bba8835290061308ba825166b3a (git) before 09c2dcda2c551bba30710c33f6ac678ae7395389
affected

365ad353c2564bba8835290061308ba825166b3a (git) before 7c5957f7905b4aede9d7a559d271438f3ca9e852
affected

365ad353c2564bba8835290061308ba825166b3a (git) before d0e02d3d27a0b4dcb13f954f537ca1dd8f282dcf
affected

365ad353c2564bba8835290061308ba825166b3a (git) before a40cbfbb8f95c325430f017883da669b2aa927d4
affected

365ad353c2564bba8835290061308ba825166b3a (git) before 69ae94725f4fc9e75219d2d69022029c5b24bc9a
affected

Default status
affected

4.11
affected

Any version before 4.11
unaffected

5.4.293 (semver)
unaffected

5.10.237 (semver)
unaffected

5.15.181 (semver)
unaffected

6.1.135 (semver)
unaffected

6.6.88 (semver)
unaffected

6.12.24 (semver)
unaffected

6.13.12 (semver)
unaffected

6.14.3 (semver)
unaffected

6.15 (original_commit_for_fix)
unaffected

References

lists.debian.org/debian-lts-announce/2025/05/msg00045.html

lists.debian.org/debian-lts-announce/2025/05/msg00030.html

git.kernel.org/...c/84895f5ce3829d9fc030e5ec2d8729da4c0c9d08

git.kernel.org/...c/d4d40e437adb376be16b3a12dd5c63f0fa768247

git.kernel.org/...c/ed06675d3b8cd37120b447646d53f7cd3e6fcd63

git.kernel.org/...c/24e6280cdd7f8d01fc6b9b365fb800c2fb7ea9bb

git.kernel.org/...c/09c2dcda2c551bba30710c33f6ac678ae7395389

git.kernel.org/...c/7c5957f7905b4aede9d7a559d271438f3ca9e852

git.kernel.org/...c/d0e02d3d27a0b4dcb13f954f537ca1dd8f282dcf

git.kernel.org/...c/a40cbfbb8f95c325430f017883da669b2aa927d4

git.kernel.org/...c/69ae94725f4fc9e75219d2d69022029c5b24bc9a

cve.org (CVE-2025-37757)

nvd.nist.gov (CVE-2025-37757)

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