CVE-2026-80805
CVE CVE-2026-80805EUVD EUVD-2026-71240Published 2026-09-04T15:13:19.000Z
What the advisory describes
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.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 5.10.267; patch: 7.1.11; c84760659dcf237902d4cc997cd5f55cb3b2807f <98a42bb9d60d42898c3494de351a1bf508348cde; patch: 0; patch: 6.18.47; patch: 6.12.106; c84760659dcf237902d4cc997cd5f55cb3b2807f <184c1a80421a5b5ddcd262e47980ce2e67fee211; c84760659dcf237902d4cc997cd5f55cb3b2807f <e99120b5944a16d0bc27e52b33de78bcdaaabf5c; patch: 7.2.1; patch: 5.15.218; patch: 7.3-rc1; c84760659dcf237902d4cc997cd5f55cb3b2807f <0f82586741e39926542f621bafa424e237a04fa4; patch: 6.6.154; c84760659dcf237902d4cc997cd5f55cb3b2807f <03a12253dd2a036545bdb0110a4e0b8dc70f8e7c; 5.5; c84760659dcf237902d4cc997cd5f55cb3b2807f <134d82a2b5e3eba3ebf58753a1387b22f26ca1de; c84760659dcf237902d4cc997cd5f55cb3b2807f <b7eea80be25f3334f131d52982b3131aba77b97d; c84760659dcf237902d4cc997cd5f55cb3b2807f <9f92e749fc08b7ff3d9da190c4d1b2273745b282; patch: 6.1.185; c84760659dcf237902d4cc997cd5f55cb3b2807f <c35da2bac6f7cb9a9be73f188b4fcc324615c327
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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