{"id":"CVE-2026-43153","title":"xfs: remove xfs_attr_leaf_hasname","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: remove xfs_attr_leaf_hasname\n\nThe calling convention of xfs_attr_leaf_hasname() is problematic, because\nit returns a NULL buffer when xfs_attr3_leaf_read fails, a …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 2fbc8421d1db102c0e5458607e042a23a03648b1","Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 457121c01f609b9934addbb04d5c1ef638c71c61","Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 530082df991903f3330354e99e0cb7b05debfa86","Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 3a65ea768b8094e4699e72f9ab420eb9e0f3f568","Linux 5.9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:15:12.446055Z"},"published":"2026-05-06","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:20:34.702Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43153","references":[{"url":"https://git.kernel.org/stable/c/2fbc8421d1db102c0e5458607e042a23a03648b1"},{"url":"https://git.kernel.org/stable/c/457121c01f609b9934addbb04d5c1ef638c71c61"},{"url":"https://git.kernel.org/stable/c/530082df991903f3330354e99e0cb7b05debfa86"},{"url":"https://git.kernel.org/stable/c/3a65ea768b8094e4699e72f9ab420eb9e0f3f568"}],"tags":["cve.org"],"epss":0.00175,"epssPercentile":0.06561,"ingestedAt":"2026-10-16T17:24:46.685Z","slug":"CVE-2026-43153","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nxfs: remove xfs_attr_leaf_hasname\n\nThe calling convention of xfs_attr_leaf_hasname() is problematic, because\nit returns a NULL buffer when xfs_attr3_leaf_read fails, a valid buffer\nwhen xfs_attr3_leaf_lookup_int returns -ENOATTR or -EEXIST, and a\nnon-NULL buffer pointer for an already released buffer when\nxfs_attr3_leaf_lookup_int fails with other error values.\n\nFix this by simply open coding xfs_attr_leaf_hasname in the callers, so\nthat the buffer release code is done by each caller of\nxfs_attr3_leaf_read.\n\n## Affected\n\n- `Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 2fbc8421d1db102c0e5458607e042a23a03648b1`\n- `Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 457121c01f609b9934addbb04d5c1ef638c71c61`\n- `Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 530082df991903f3330354e99e0cb7b05debfa86`\n- `Linux >= 07120f1abdff80f3d1351f733661abe28d609535 < 3a65ea768b8094e4699e72f9ab420eb9e0f3f568`\n- `Linux 5.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}