{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89764", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.764Z", "datePublished": "2026-09-11T19:47:05.092Z", "dateUpdated": "2026-09-11T19:47:05.092Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:47:05.092Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrust: devres: fix race between concurrent revokers\n\nThere is a potential race condition when two paths try to revoke a\nDevres concurrently.\n\nThe driver core's devres_release_all() calls Revocable::revoke() via the\nrelease callback, while Devres::drop() calls revoke_nosync() on another\nCPU.\n\nThe revoker that does not claim the is_available swap returns\nimmediately, but the revoker that did may still be executing\ndrop_in_place() on the inner data. This can cause a use-after-free when\nthe other revoker's caller proceeds to drop adjacent resources that\ndrop_in_place() still references (e.g., Devres<DmaMappedSgt> racing with\nSGTable freeing the backing sg_table and pages).\n\nFix this by adding a Completion. The release callback signals the\nCompletion after revoke() finishes, and Devres::drop() waits for it when\nit loses the is_available swap. This ensures the wrapped object is fully\ntorn down before Devres::drop() returns."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["rust/kernel/devres.rs"], "versions": [{"version": "05aa6fb1c21d7fb9df735da24096d793223789d5", "lessThan": "c7e3d57c705ab1053a6a1bbef96795e792da1540", "status": "affected", "versionType": "git"}, {"version": "05aa6fb1c21d7fb9df735da24096d793223789d5", "lessThan": "acc516dfa1972d31836b50abc0115216cd0fccc5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["rust/kernel/devres.rs"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "6.18", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c7e3d57c705ab1053a6a1bbef96795e792da1540"}, {"url": "https://git.kernel.org/stable/c/acc516dfa1972d31836b50abc0115216cd0fccc5"}], "title": "rust: devres: fix race between concurrent revokers", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["rust/kernel/devres.rs"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c7e3d57c705ab1053a6a1bbef96795e792da1540", "status": "affected", "version": "05aa6fb1c21d7fb9df735da24096d793223789d5", "versionType": "git"}, {"lessThan": "acc516dfa1972d31836b50abc0115216cd0fccc5", "status": "affected", "version": "05aa6fb1c21d7fb9df735da24096d793223789d5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["rust/kernel/devres.rs"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "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\nrust: devres: fix race between concurrent revokers\n\nThere is a potential race condition when two paths try to revoke a\nDevres concurrently.\n\nThe driver core's devres_release_all() calls Revocable::revoke() via the\nrelease callback, while Devres::drop() calls revoke_nosync() on another\nCPU.\n\nThe revoker that does not claim the is_available swap returns\nimmediately, but the revoker that did may still be executing\ndrop_in_place() on the inner data. This can cause a use-after-free when\nthe other revoker's caller proceeds to drop adjacent resources that\ndrop_in_place() still references (e.g., Devres<DmaMappedSgt> racing with\nSGTable freeing the backing sg_table and pages).\n\nFix this by adding a Completion. The release callback signals the\nCompletion after revoke() finishes, and Devres::drop() waits for it when\nit loses the is_available swap. This ensures the wrapped object is fully\ntorn down before Devres::drop() returns."}], "id": "CVE-2026-89764", "lastModified": "2026-09-11T20:20:07.637", "metrics": {}, "published": "2026-09-11T20:20:07.637", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/acc516dfa1972d31836b50abc0115216cd0fccc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c7e3d57c705ab1053a6a1bbef96795e792da1540"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel (rust devres): Use-after-free due to race condition in concurrent resource revocation", "id": "2532452", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532452"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's `rust: devres` component. A race condition exists when two processes attempt to revoke a `Devres` resource concurrently. This can lead to a use-after-free vulnerability, where one process might free resources that another process is still actively using. Such an issue could result in system instability or unexpected behavior."], "name": "CVE-2026-89764", "public_date": "2026-09-11T19:47:05Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89764\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89764\nhttps://git.kernel.org/stable/c/acc516dfa1972d31836b50abc0115216cd0fccc5\nhttps://git.kernel.org/stable/c/c7e3d57c705ab1053a6a1bbef96795e792da1540"], "threat_severity": "Moderate"}

{"created": "2026-09-12T08:00:11.012821+00:00", "updated": "2026-09-12T16:45:07.520529+00:00", "vendors": []}