{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-40019", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.152Z", "datePublished": "2025-10-24T11:44:29.864Z", "dateUpdated": "2025-10-24T11:44:29.864Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-24T11:44:29.864Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: essiv - Check ssize for decryption and in-place encryption\n\nMove the ssize check to the start in essiv_aead_crypt so that\nit's also checked for decryption and in-place encryption."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/essiv.c"], "versions": [{"version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71", "lessThan": "df58651968f82344a0ed2afdafd20ecfc55ff548", "status": "affected", "versionType": "git"}, {"version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71", "lessThan": "248ff2797ff52a8cbf86507f9583437443bf7685", "status": "affected", "versionType": "git"}, {"version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71", "lessThan": "f37e7860dc5e94c70b4a3e38a5809181310ea9ac", "status": "affected", "versionType": "git"}, {"version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71", "lessThan": "dc4c854a5e7453c465fa73b153eba4ef2a240abe", "status": "affected", "versionType": "git"}, {"version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71", "lessThan": "da7afb01ba05577ba3629f7f4824205550644986", "status": "affected", "versionType": "git"}, {"version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71", "lessThan": "6bb73db6948c2de23e407fe1b7ef94bf02b7529f", "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/essiv.c"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.195", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.157", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.113", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.54", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.4", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18-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": "5.4", "versionEndExcluding": "5.15.195"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.1.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.6.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.12.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.17.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.18-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/df58651968f82344a0ed2afdafd20ecfc55ff548"}, {"url": "https://git.kernel.org/stable/c/248ff2797ff52a8cbf86507f9583437443bf7685"}, {"url": "https://git.kernel.org/stable/c/f37e7860dc5e94c70b4a3e38a5809181310ea9ac"}, {"url": "https://git.kernel.org/stable/c/dc4c854a5e7453c465fa73b153eba4ef2a240abe"}, {"url": "https://git.kernel.org/stable/c/da7afb01ba05577ba3629f7f4824205550644986"}, {"url": "https://git.kernel.org/stable/c/6bb73db6948c2de23e407fe1b7ef94bf02b7529f"}], "title": "crypto: essiv - Check ssize for decryption and in-place encryption", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: essiv - Check ssize for decryption and in-place encryption\n\nMove the ssize check to the start in essiv_aead_crypt so that\nit's also checked for decryption and in-place encryption."}], "id": "CVE-2025-40019", "lastModified": "2025-10-27T13:20:15.637", "metrics": {}, "published": "2025-10-24T12:15:37.820", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/248ff2797ff52a8cbf86507f9583437443bf7685"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6bb73db6948c2de23e407fe1b7ef94bf02b7529f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/da7afb01ba05577ba3629f7f4824205550644986"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc4c854a5e7453c465fa73b153eba4ef2a240abe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df58651968f82344a0ed2afdafd20ecfc55ff548"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f37e7860dc5e94c70b4a3e38a5809181310ea9ac"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: crypto: essiv - Check ssize for decryption and in-place encryption", "id": "2406195", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2406195"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-40019", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40019\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40019\nhttps://lore.kernel.org/linux-cve-announce/2025102433-CVE-2025-40019-a8e7@gregkh/T"], "threat_severity": "Moderate"}