{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63873", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.017Z", "datePublished": "2026-07-19T14:18:41.197Z", "dateUpdated": "2026-07-19T14:18:41.197Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:18:41.197Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/amdxdna/aie2_ctx.c"], "versions": [{"version": "e486147c912f653ef4b60a6c7dbd4168a4c56a9f", "lessThan": "e83fc4c28226be75fbc0c41f2846935ba2b5f949", "status": "affected", "versionType": "git"}, {"version": "e486147c912f653ef4b60a6c7dbd4168a4c56a9f", "lessThan": "21dfec59939120b20d2c7794caaa421f9450be0a", "status": "affected", "versionType": "git"}, {"version": "e486147c912f653ef4b60a6c7dbd4168a4c56a9f", "lessThan": "2f41af638c92bac6f1f9275ea2d1901baef578f3", "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/accel/amdxdna/aie2_ctx.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.16", "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"}]}]}], "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"}}}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-63873", "lastModified": "2026-07-27T17:44:23.777", "metrics": {}, "published": "2026-07-19T15:16:54.347", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()", "id": "2502285", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502285"}, "csaw": false, "cwe": "CWE-911", "details": ["In the Linux kernel, the following vulnerability has been resolved:\naccel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()\naie2_populate_range() jumps back to the again label without calling\nmmput(mm), leaking a reference to the mm_struct.\nAdd the missing mmput() before jumping to again.", "A flaw was found in the Linux kernel's `accel/amdxdna` driver. The `aie2_populate_range()` function, responsible for managing memory structures, fails to properly release a reference to a memory structure (`mm_struct`). This oversight leads to a memory leak, which over time could result in resource exhaustion and potentially impact system stability."], "name": "CVE-2026-63873", "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63873\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63873\nhttps://lore.kernel.org/linux-cve-announce/2026071915-CVE-2026-63873-75bc@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e486147c912f653ef4b60a6c7dbd4168a4c56a9f,e83fc4c28226be75fbc0c41f2846935ba2b5f949)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e486147c912f653ef4b60a6c7dbd4168a4c56a9f,21dfec59939120b20d2c7794caaa421f9450be0a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e486147c912f653ef4b60a6c7dbd4168a4c56a9f,2f41af638c92bac6f1f9275ea2d1901baef578f3)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-21T14:15:04.642419+00:00", "updated": "2026-08-04T07:00:05.865488+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}