{"api_version":"1","generated_at":"2026-07-23T17:28:18+00:00","cve":"CVE-2026-63873","urls":{"html":"https://cve.report/CVE-2026-63873","api":"https://cve.report/api/cve/CVE-2026-63873.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63873","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63873"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 15:16:54","updated_at":"2026-07-19 15:16:54"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949","name":"https://git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a","name":"https://git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3","name":"https://git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63873","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63873","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e486147c912f653ef4b60a6c7dbd4168a4c56a9f e83fc4c28226be75fbc0c41f2846935ba2b5f949 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e486147c912f653ef4b60a6c7dbd4168a4c56a9f 21dfec59939120b20d2c7794caaa421f9450be0a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e486147c912f653ef4b60a6c7dbd4168a4c56a9f 2f41af638c92bac6f1f9275ea2d1901baef578f3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63873","cve":"CVE-2026-63873","epss":"0.001550000","percentile":"0.050640000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/accel/amdxdna/aie2_ctx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e83fc4c28226be75fbc0c41f2846935ba2b5f949","status":"affected","version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","versionType":"git"},{"lessThan":"21dfec59939120b20d2c7794caaa421f9450be0a","status":"affected","version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","versionType":"git"},{"lessThan":"2f41af638c92bac6f1f9275ea2d1901baef578f3","status":"affected","version":"e486147c912f653ef4b60a6c7dbd4168a4c56a9f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/accel/amdxdna/aie2_ctx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:18:41.197Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}],"title":"accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63873","datePublished":"2026-07-19T14:18:41.197Z","dateReserved":"2026-07-19T07:54:57.017Z","dateUpdated":"2026-07-19T14:18:41.197Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 15:16:54","lastModifiedDate":"2026-07-19 15:16:54","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63873","Ordinal":"1","Title":"accel/amdxdna: Fix mm_struct reference leak in aie2_populate_ran","CVE":"CVE-2026-63873","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63873","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"accel/amdxdna: Fix mm_struct reference leak in aie2_populate_ran"}]}}}