CVE-2026-98447
xfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 6.18.55, 7.2.9
- 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: xfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots LOLLM noticed that the inode btree root formatting methods copy too many bytes -- there's only one set of keys in node blocks, not two. This causes memory corruption of whatever's beyond the buffers.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From f0415af60f482a2192065be8b334b409495ca8a3 · fixed in d46492fb8018d12d00651b06b9d240e747110b38; From f0415af60f482a2192065be8b334b409495ca8a3 · fixed in 2703b954d306ebfe3b11e33e259759329c11b690; From f0415af60f482a2192065be8b334b409495ca8a3 · fixed in fe2f9135df43db849e74f03956d322ac20b59af7
- Linux Linux
6.14
- KernelLinux
From 6.14.0 · fixed in 6.18.55; From 6.19.0 · fixed in 7.2.9