{"id":"CVE-2026-43395","title":"drm/xe/sync: Cleanup partially initialized sync on parse failure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/sync: Cleanup partially initialized sync on parse failure\n\nxe_sync_entry_parse() can allocate references (syncobj, fence, chain fence,\nor user fence) before hitt…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < 91c228f96fcfacc2341a58815b1da8c69da94ebb","Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < af65cd1853599394b94201c08bed7a46717db478","Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < f0af63ffa06306f12592cd3919fad6957b425e1b","Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < 1bfd7575092420ba5a0b944953c95b74a5646ff8","Linux 6.8"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:36:58.922569Z"},"published":"2026-05-08","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:42:51.207Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43395","references":[{"url":"https://git.kernel.org/stable/c/91c228f96fcfacc2341a58815b1da8c69da94ebb"},{"url":"https://git.kernel.org/stable/c/af65cd1853599394b94201c08bed7a46717db478"},{"url":"https://git.kernel.org/stable/c/f0af63ffa06306f12592cd3919fad6957b425e1b"},{"url":"https://git.kernel.org/stable/c/1bfd7575092420ba5a0b944953c95b74a5646ff8"}],"tags":["cve.org"],"epss":0.00122,"epssPercentile":0.01995,"ingestedAt":"2026-11-06T15:54:03.929Z","slug":"CVE-2026-43395","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/sync: Cleanup partially initialized sync on parse failure\n\nxe_sync_entry_parse() can allocate references (syncobj, fence, chain fence,\nor user fence) before hitting a later failure path. Several of those paths\nreturned directly, leaving partially initialized state and leaking refs.\n\nRoute these error paths through a common free_sync label and call\nxe_sync_entry_cleanup(sync) before returning the error.\n\n(cherry picked from commit f939bdd9207a5d1fc55cced5459858480686ce22)\n\n## Affected\n\n- `Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < 91c228f96fcfacc2341a58815b1da8c69da94ebb`\n- `Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < af65cd1853599394b94201c08bed7a46717db478`\n- `Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < f0af63ffa06306f12592cd3919fad6957b425e1b`\n- `Linux >= dd08ebf6c3525a7ea2186e636df064ea47281987 < 1bfd7575092420ba5a0b944953c95b74a5646ff8`\n- `Linux 6.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}