ring-buffer: Add checking nr_subbufs to persistent ring buffer validation
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.12.111, 6.14, 6.18.57, 7.2.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Add checking nr_subbufs to persistent ring buffer validation Sashiko reported that the code was using meta->nr_subbufs without making sure that it matched the nr_pages + 1 on data that was assuming the two were the same. Add a check to the persistent ring buffer validation code to make sure that the saved nr_subbufs matches what we expect.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 3ec743d558f111d8999aea24577ba66c65ee2eeb · fixed in f0467190e6a9fc61e343c8064ef16aad513788c3; From f5b95f1fa2ef3a03f49eeec658ba97e721412b32 · fixed in 364a31052aa9ef91db137f82d797366007cd85b7; From f5b95f1fa2ef3a03f49eeec658ba97e721412b32 · fixed in 69d502457e3f76142f7fcf6e2625e80e0ce8a60f; From f5b95f1fa2ef3a03f49eeec658ba97e721412b32 · fixed in 6c001a62c34f13fe1c6a24304c289b387d9e697d; From 6.12.16 · fixed in 6.12.111; From 6.13.4 · fixed in 6.14
- Linux Linux
6.14
- KernelLinux
fixed in 6.12.111; From 6.13.0 · fixed in 6.18.57; From 6.14.0 · fixed in 7.2.7