{"id":"CVE-2025-71076","title":"drm/xe/oa: Limit num_syncs to prevent oversized allocations","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/oa: Limit num_syncs to prevent oversized allocations\n\nThe OA open parameters did not validate num_syncs, allowing\nuserspace to pass arbitrarily large values, pot…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 803d418b73387fda392ddd83eace757ac25cf15d < b963636331fb4f3f598d80492e2fa834757198eb","Linux >= c8507a25cebd179db935dd266a33c51bef1b1e80 < 338849090ee610ff6d11e5e90857d2c27a4121ab","Linux >= c8507a25cebd179db935dd266a33c51bef1b1e80 < f8dd66bfb4e184c71bd26418a00546ebe7f5c17a","Linux >= 6.12.17 < 6.12.64","Linux 6.13"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:14:04.935233Z"},"published":"2026-01-13","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:23:08.345Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71076","references":[{"url":"https://git.kernel.org/stable/c/b963636331fb4f3f598d80492e2fa834757198eb"},{"url":"https://git.kernel.org/stable/c/338849090ee610ff6d11e5e90857d2c27a4121ab"},{"url":"https://git.kernel.org/stable/c/f8dd66bfb4e184c71bd26418a00546ebe7f5c17a"}],"tags":["cve.org"],"epss":0.00145,"epssPercentile":0.03753,"ingestedAt":"2026-11-05T22:38:32.047Z","slug":"CVE-2025-71076","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/oa: Limit num_syncs to prevent oversized allocations\n\nThe OA open parameters did not validate num_syncs, allowing\nuserspace to pass arbitrarily large values, potentially\nleading to excessive allocations.\n\nAdd check to ensure that num_syncs does not exceed DRM_XE_MAX_SYNCS,\nreturning -EINVAL when the limit is violated.\n\nv2: use XE_IOCTL_DBG() and drop duplicated check. (Ashutosh)\n\n(cherry picked from commit e057b2d2b8d815df3858a87dffafa2af37e5945b)\n\n## Affected\n\n- `Linux >= 803d418b73387fda392ddd83eace757ac25cf15d < b963636331fb4f3f598d80492e2fa834757198eb`\n- `Linux >= c8507a25cebd179db935dd266a33c51bef1b1e80 < 338849090ee610ff6d11e5e90857d2c27a4121ab`\n- `Linux >= c8507a25cebd179db935dd266a33c51bef1b1e80 < f8dd66bfb4e184c71bd26418a00546ebe7f5c17a`\n- `Linux >= 6.12.17 < 6.12.64`\n- `Linux 6.13`\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":[]}