CVE-2026-80591

f2fs: fix listxattr handling of corrupted xattr entries

HIGH

7.8

CVSS Score

Published: August 28, 2026 at 06:48 AM UTC

Updated: August 29, 2026 at 07:16 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix listxattr handling of corrupted xattr entries Validate the xattr entry before reading its fields in f2fs_listxattr(). Return -EFSCORRUPTED when the entry is outside the valid xattr storage area instead of returning a successful partial result.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v ≥ 4.14.181v ≥ 4.19.119v ≥ 5.4.364.14.181 ≤ v < 4.154.19.119 ≤ v < 4.205.4.36 ≤ v < 5.55.5 ≤ v < 5.10.2615.5 ≤ v < 5.15.2125.5 ≤ v < 6.1.1785.5 ≤ v < 6.12.965.5 ≤ v < 6.18.395.5 ≤ v < 6.6.1455.5 ≤ v < 7.1.55.5 ≤ v < 7.24.14.181 4.19.119 5.4.36 5.55811f24abd27a8a0791c6909c6ff803659060c84688078e7f36c293dae25b338ddc9e0a2790f6e06ae811cecbbb231f11a84acaf74baca1283b964c7ed523cbd4a6594edf123dc03ec9d70ea4f793671

Vendor states this is fixed in 2770041f34b52334ea63351ffb1cc2007a9de46e (fixed)

Vendor states this is fixed in 3c0dbfecd859fd02fe9008f33a83146102ccd9ba (fixed)

Vendor states this is fixed in 5ef5bc304f23c3fe255d4936472378dcb74d0e94 (fixed)

Vendor states this is fixed in 7dd01f7d0291583e3e5420c95c7d584e114899bd (fixed)

Vendor states this is fixed in 7dfac47e4189692f35230f3064acf2540e6d75fe (fixed)

Vendor states this is fixed in c8a10f174316e80d577e6549099b71a7a2111f3f (fixed)

Vendor states this is fixed in dfa4891c27bccbd83d511a065721e85621f275a1 (fixed)

Vendor states this is fixed in ec9f79c8d5b28a928e65b67cd138c841571cf502 (fixed)

Affected range stops below 4.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.20, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 5.10.261 (unaffected)

Vendor states this is fixed in 5.15.212 (unaffected)