CVE-2022-48654

netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()

CVSS 5.3 MEDIUMEPSS 0.2%

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

28 Apr 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/559c36c5a8d730c49ef805a72b213d3bba155cc8 https://git.kernel.org/stable/c/5d75fef3e61e797fab5c3fbba88caa74ab92ad47 https://git.kernel.org/stable/c/633c81c0449663f57d4138326d036dc6cfad674e https://git.kernel.org/stable/c/721ea8ac063d70c2078c4e762212705de6151764 https://git.kernel.org/stable/c/816eab147e5c6f6621922b8515ad9010ceb1735e