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CVE-2023-53716

UnknownEPSS 0.19%

Last modified

CVE-2023-53716 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.19%

9.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 281072fb2a7294cde7acbf5375b879f40a8001b7, < 82501f1ead557cbee1c2467654ec109a80334d22; >= 1f69c086b20e27763af28145981435423f088268, < 779332447108545ef04682ea29af5f85c0202aee; >= 602fa8af44fd55a58f9e94eb673e8adad2c6cc46, < 58766252f6b2c0487cda6976a53d2bb03ae28e2a; >= 230a5ed7d813fb516de81d23f09d7506753e41e9, < a594382ec6d0cc8cff5a8bc7e61b54e3858fb243; >= 43e4197dd5f6b474a8b16f8b6a42cd45cf4f9d1a, < e06841a2abf9c82735cee39e88b1d79464088840; >= cb52e7f24c1d01a536a847dff0d1d95889cc3b5c, < cc18b4685910d5d9de8314bae9c55790701b1811; >= 426384dd4980040651536fef5feac4dcc4d7ee4e, < f4d928c00254cfc9dd0ee7076f4a59bceec675f4; >= 50749f2dd6854a41830996ad302aef2ffaf011d8, < 8a02fb71d7192ff1a9a47c9d937624966c6e09af; 30290f210ba7426ff7592fe2eb4114b1b5bad219; >= 6.2.15, < 6.3
LinuxLinux>= 4.14.315, < 4.14.316; >= 4.19.283, < 4.19.284; >= 5.4.243, < 5.4.244; >= 5.10.180, < 5.10.181; >= 5.15.111, < 5.15.114; >= 6.1.28, < 6.1.31; >= 6.3.2, < 6.3.5

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-53716?
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.
How severe is CVE-2023-53716?
Severity scoring for CVE-2023-53716 is pending analysis. The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2023-53716?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST