{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53646","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-07T15:16:59.659Z","datePublished":"2025-10-07T15:19:44.412Z","dateUpdated":"2026-05-11T19:49:11.038Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:49:11.038Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/perf: add sentinel to xehp_oa_b_counters\n\nArrays passed to reg_in_range_table should end with empty record.\n\nThe patch solves KASAN detected bug with signature:\nBUG: KASAN: global-out-of-bounds in xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915]\nRead of size 4 at addr ffffffffa1555d90 by task perf/1518\n\nCPU: 4 PID: 1518 Comm: perf Tainted: G U 6.4.0-kasan_438-g3303d06107f3+ #1\nHardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3223.D80.2305311348 05/31/2023\nCall Trace:\n<TASK>\n...\nxehp_is_valid_b_counter_addr+0x2c7/0x350 [i915]\n\n(cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/i915_perf.c"],"versions":[{"version":"0fa9349dda030fa847b36f880a5eea25c3202b66","lessThan":"21d92025e80629fd5c25cd6751f8cf38c784dd4a","status":"affected","versionType":"git"},{"version":"0fa9349dda030fa847b36f880a5eea25c3202b66","lessThan":"785b3f667b4bf98804cad135005e964df0c750de","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/i915_perf.c"],"versions":[{"version":"6.2","status":"affected"},{"version":"0","lessThan":"6.2","status":"unaffected","versionType":"semver"},{"version":"6.4.7","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.4.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.5"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/21d92025e80629fd5c25cd6751f8cf38c784dd4a"},{"url":"https://git.kernel.org/stable/c/785b3f667b4bf98804cad135005e964df0c750de"}],"title":"drm/i915/perf: add sentinel to xehp_oa_b_counters","x_generator":{"engine":"bippy-1.2.0"}}}}