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CVE-2023-53716

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CVE-2023-53716

Published: Oct 22, 2025

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
281072fb2a7294cde7acbf5375b879f40a8001b7 - < 82501f1ead557cbee1c2467654ec109a80334d22
affected
1f69c086b20e27763af28145981435423f088268 - < 779332447108545ef04682ea29af5f85c0202aee
affected
602fa8af44fd55a58f9e94eb673e8adad2c6cc46 - < 58766252f6b2c0487cda6976a53d2bb03ae28e2a
affected
230a5ed7d813fb516de81d23f09d7506753e41e9 - < a594382ec6d0cc8cff5a8bc7e61b54e3858fb243
affected
43e4197dd5f6b474a8b16f8b6a42cd45cf4f9d1a - < e06841a2abf9c82735cee39e88b1d79464088840

+5 more versions

Linux

Linux

affected
4.14.315 - < 4.14.316
affected
4.19.283 - < 4.19.284
affected
5.4.243 - < 5.4.244
affected
5.10.180 - < 5.10.181
affected
5.15.111 - < 5.15.114

+2 more versions

References

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