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Description

In the Linux kernel, the following vulnerability has been resolved: net: fix skb leak in __skb_tstamp_tx() Commit 50749f2dd685 ("tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.") added a call to skb_orphan_frags_rx() to fix leaks with zerocopy skbs. But it ended up adding a leak of its own. When skb_orphan_frags_rx() fails, the function just returns, leaking the skb it just cloned. Free it before returning. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.

PUBLISHED Reserved 2025-10-22 | Published 2025-10-22 | Updated 2025-10-22 | Assigner Linux

Product status

Default status
unaffected

281072fb2a7294cde7acbf5375b879f40a8001b7 (git) before 82501f1ead557cbee1c2467654ec109a80334d22
affected

1f69c086b20e27763af28145981435423f088268 (git) before 779332447108545ef04682ea29af5f85c0202aee
affected

602fa8af44fd55a58f9e94eb673e8adad2c6cc46 (git) before 58766252f6b2c0487cda6976a53d2bb03ae28e2a
affected

230a5ed7d813fb516de81d23f09d7506753e41e9 (git) before a594382ec6d0cc8cff5a8bc7e61b54e3858fb243
affected

43e4197dd5f6b474a8b16f8b6a42cd45cf4f9d1a (git) before e06841a2abf9c82735cee39e88b1d79464088840
affected

cb52e7f24c1d01a536a847dff0d1d95889cc3b5c (git) before cc18b4685910d5d9de8314bae9c55790701b1811
affected

426384dd4980040651536fef5feac4dcc4d7ee4e (git) before f4d928c00254cfc9dd0ee7076f4a59bceec675f4
affected

50749f2dd6854a41830996ad302aef2ffaf011d8 (git) before 8a02fb71d7192ff1a9a47c9d937624966c6e09af
affected

30290f210ba7426ff7592fe2eb4114b1b5bad219 (git)
affected

Default status
unaffected

4.14.315 (semver) before 4.14.316
affected

4.19.283 (semver) before 4.19.284
affected

5.4.243 (semver) before 5.4.244
affected

5.10.180 (semver) before 5.10.181
affected

5.15.111 (semver) before 5.15.114
affected

6.1.28 (semver) before 6.1.31
affected

6.3.2 (semver) before 6.3.5
affected

References

git.kernel.org/...c/82501f1ead557cbee1c2467654ec109a80334d22

git.kernel.org/...c/779332447108545ef04682ea29af5f85c0202aee

git.kernel.org/...c/58766252f6b2c0487cda6976a53d2bb03ae28e2a

git.kernel.org/...c/a594382ec6d0cc8cff5a8bc7e61b54e3858fb243

git.kernel.org/...c/e06841a2abf9c82735cee39e88b1d79464088840

git.kernel.org/...c/cc18b4685910d5d9de8314bae9c55790701b1811

git.kernel.org/...c/f4d928c00254cfc9dd0ee7076f4a59bceec675f4

git.kernel.org/...c/8a02fb71d7192ff1a9a47c9d937624966c6e09af

cve.org (CVE-2023-53716)

nvd.nist.gov (CVE-2023-53716)

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