CVE-2026-80805 Affecting linux-6.12 package, versions <6.12.107-1~deb12u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-LINUX612-19964485
- published20 Sept 2026
- disclosed4 Sept 2026
Introduced: 4 Sep 2026
NewCVE-2026-80805 (opens in a new tab)How to fix?
Upgrade Echo:latest linux-6.12 to version 6.12.107-1~deb12u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream linux-6.12 package and not the linux-6.12 package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
xfs: validate attr entry pointer before field access
xfs_attr3_leaf_verify_entry() accesses lentry/rentry fields (namelen, valuelen) before checking if the entry pointer itself is within bounds. If nameidx is crafted to point near the end of the buffer, these field accesses can read out-of-bounds before the bounds check at name_end > buf_end is performed.
Add explicit bounds checks for entry pointers before accessing their fields. Use offsetof() to check that the start of the flexible array member (nameval/name) is within bounds, which ensures all preceding fields are safe to access.
References
- https://advisory.echohq.com/cve/CVE-2026-80805
- https://git.kernel.org/stable/c/03a12253dd2a036545bdb0110a4e0b8dc70f8e7c
- https://git.kernel.org/stable/c/0f82586741e39926542f621bafa424e237a04fa4
- https://git.kernel.org/stable/c/134d82a2b5e3eba3ebf58753a1387b22f26ca1de
- https://git.kernel.org/stable/c/184c1a80421a5b5ddcd262e47980ce2e67fee211
- https://git.kernel.org/stable/c/98a42bb9d60d42898c3494de351a1bf508348cde
- https://git.kernel.org/stable/c/9f92e749fc08b7ff3d9da190c4d1b2273745b282
- https://git.kernel.org/stable/c/b7eea80be25f3334f131d52982b3131aba77b97d
- https://git.kernel.org/stable/c/c35da2bac6f7cb9a9be73f188b4fcc324615c327
- https://git.kernel.org/stable/c/e99120b5944a16d0bc27e52b33de78bcdaaabf5c