{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53494", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-01T11:39:39.403Z", "datePublished": "2025-10-01T11:45:45.773Z", "dateUpdated": "2025-10-01T11:45:45.773Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-01T11:45:45.773Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: xts - Handle EBUSY correctly\n\nAs it is xts only handles the special return value of EINPROGRESS,\nwhich means that in all other cases it will free data related to the\nrequest.\n\nHowever, as the caller of xts may specify MAY_BACKLOG, we also need\nto expect EBUSY and treat it in the same way. Otherwise backlogged\nrequests will trigger a use-after-free."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/xts.c"], "versions": [{"version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8", "lessThan": "92a07ba4f0af2cccdc2aa5ee32679c9c9714db90", "status": "affected", "versionType": "git"}, {"version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8", "lessThan": "912eb10b65646ffd222256c78a1c566a3dac177d", "status": "affected", "versionType": "git"}, {"version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8", "lessThan": "57c3e1d63b63dc0841d41df729297cd7c1c35808", "status": "affected", "versionType": "git"}, {"version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8", "lessThan": "d5870848879291700fe6c5257dcb48aadd10425c", "status": "affected", "versionType": "git"}, {"version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8", "lessThan": "51c082514c2dedf2711c99d93c196cc4eedceb40", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/xts.c"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.173", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.99", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "5.4", "versionEndExcluding": "5.10.173"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.15.99"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.1.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.2.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/92a07ba4f0af2cccdc2aa5ee32679c9c9714db90"}, {"url": "https://git.kernel.org/stable/c/912eb10b65646ffd222256c78a1c566a3dac177d"}, {"url": "https://git.kernel.org/stable/c/57c3e1d63b63dc0841d41df729297cd7c1c35808"}, {"url": "https://git.kernel.org/stable/c/d5870848879291700fe6c5257dcb48aadd10425c"}, {"url": "https://git.kernel.org/stable/c/51c082514c2dedf2711c99d93c196cc4eedceb40"}], "title": "crypto: xts - Handle EBUSY correctly", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: xts - Handle EBUSY correctly\n\nAs it is xts only handles the special return value of EINPROGRESS,\nwhich means that in all other cases it will free data related to the\nrequest.\n\nHowever, as the caller of xts may specify MAY_BACKLOG, we also need\nto expect EBUSY and treat it in the same way. Otherwise backlogged\nrequests will trigger a use-after-free."}], "id": "CVE-2023-53494", "lastModified": "2025-10-02T19:12:17.160", "metrics": {}, "published": "2025-10-01T12:15:52.673", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/51c082514c2dedf2711c99d93c196cc4eedceb40"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57c3e1d63b63dc0841d41df729297cd7c1c35808"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/912eb10b65646ffd222256c78a1c566a3dac177d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/92a07ba4f0af2cccdc2aa5ee32679c9c9714db90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5870848879291700fe6c5257dcb48aadd10425c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: crypto: xts - Handle EBUSY correctly", "id": "2400777", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400777"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53494", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53494\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53494\nhttps://lore.kernel.org/linux-cve-announce/2025100124-CVE-2023-53494-6542@gregkh/T"], "threat_severity": "Important"}