{"id":"CVE-2026-63873","state":"PUBLISHED","title":"accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()\n\naie2_populate_range() jumps back to the again label without calling\nmmput(mm), leaking a reference to the mm_struct.\n\nAdd the missing mmput() before jumping to again.","publishedAt":"2026-07-19T14:18:41.197Z","updatedAt":"2026-07-19T14:18:41.197Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","status":"affected","lessThan":"e83fc4c28226be75fbc0c41f2846935ba2b5f949","versionType":"git"},{"version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","status":"affected","lessThan":"21dfec59939120b20d2c7794caaa421f9450be0a","versionType":"git"},{"version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","status":"affected","lessThan":"2f41af638c92bac6f1f9275ea2d1901baef578f3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_ctx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.36","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.13","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_ctx.c"]}],"references":["https://git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949","https://git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a","https://git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/63xxx/CVE-2026-63873.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63873","state":"PUBLISHED","datePublished":"2026-07-19T14:18:41.197Z","dateUpdated":"2026-07-19T14:18:41.197Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.017Z"},"containers":{"cna":{"title":"accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()\n\naie2_populate_range() jumps back to the again label without calling\nmmput(mm), leaking a reference to the mm_struct.\n\nAdd the missing mmput() before jumping to again."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","status":"affected","lessThan":"e83fc4c28226be75fbc0c41f2846935ba2b5f949","versionType":"git"},{"version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","status":"affected","lessThan":"21dfec59939120b20d2c7794caaa421f9450be0a","versionType":"git"},{"version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","status":"affected","lessThan":"2f41af638c92bac6f1f9275ea2d1901baef578f3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_ctx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.36","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.13","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_ctx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949"},{"url":"https://git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a"},{"url":"https://git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-19T14:18:41.197Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}