CVE-2022-49919

netfilter: nf_tables: release flow rule object from commit path

State: Published
Severity: 7.8 High
Published: May 1, 2025
Updated: Aug 5, 2026
Reserved: May 1, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: release flow rule object from commit path

No need to postpone this to the commit release path, since no packets are walking over this object, this is accessed from control plane only. This helped uncovered UAF triggered by races with the netlink notifier.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
LinuxLinux	5b8d63489c3b701eb2a76f848ec94d8cbc9373b9 to before 74fd5839467054cd9c4d050614d3ee8788386171Affected 330c0c6cd2150a2d7f47af16aa590078b0d2f736 to before b2d7a92aff0fbd93c29d2aa6451fb99f050e2c4eAffected e33d9bd563e71f6c6528b96008d65524a459c4dc to before 6044791b7be707fd0e709f26e961a446424e5051Affected 9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3 to before 4ab6f96444e936f5e4a936d5c0bc948144bcded3Affected 9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3 to before 26b5934ff4194e13196bedcba373cd4915071d0eAffected 80de9ea1f5b808a6601e91111fae601df2b26369Affected ab9f34a30c23f656e76f4c5b83125a4e7b53c86eAffected 5.4.198 to before 5.4.224Affected 5.10.122 to before 5.10.154Affected 5.15.47 to before 5.15.78Affected 5.17.15 to before 5.18Affected 5.18.4 to before 5.19Affected
LinuxLinux	5.19Affected before 5.19Not affected 5.4.224 through 5.4.Not affected 5.10.154 through 5.10.Not affected 5.15.78 through 5.15.Not affected 6.0.8 through 6.0.Not affected 6.1 and laterNot affected

Product

Versions

LinuxLinux

5b8d63489c3b701eb2a76f848ec94d8cbc9373b9 to before 74fd5839467054cd9c4d050614d3ee8788386171Affected
330c0c6cd2150a2d7f47af16aa590078b0d2f736 to before b2d7a92aff0fbd93c29d2aa6451fb99f050e2c4eAffected
e33d9bd563e71f6c6528b96008d65524a459c4dc to before 6044791b7be707fd0e709f26e961a446424e5051Affected
9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3 to before 4ab6f96444e936f5e4a936d5c0bc948144bcded3Affected
9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3 to before 26b5934ff4194e13196bedcba373cd4915071d0eAffected
80de9ea1f5b808a6601e91111fae601df2b26369Affected
ab9f34a30c23f656e76f4c5b83125a4e7b53c86eAffected
5.4.198 to before 5.4.224Affected
5.10.122 to before 5.10.154Affected
5.15.47 to before 5.15.78Affected
5.17.15 to before 5.18Affected
5.18.4 to before 5.19Affected

LinuxLinux

5.19Affected
before 5.19Not affected
5.4.224 through 5.4.*Not affected
5.10.154 through 5.10.*Not affected
5.15.78 through 5.15.*Not affected
6.0.8 through 6.0.*Not affected
6.1 and laterNot affected

References

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