{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40129", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.170Z", "datePublished": "2025-11-12T10:23:21.327Z", "dateUpdated": "2026-05-11T21:43:18.825Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:43:18.825Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: fix null pointer dereference on zero-length checksum\n\nIn xdr_stream_decode_opaque_auth(), zero-length checksum.len causes\nchecksum.data to be set to NULL. This triggers a NPD when accessing\nchecksum.data in gss_krb5_verify_mic_v2(). This patch ensures that\nthe value of checksum.len is not less than XDR_UNIT."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sunrpc/auth_gss/svcauth_gss.c"], "versions": [{"version": "0653028e8f1c97fec30710813a001ad8a2ec34f4", "lessThan": "81cec07d303186d0d8c623ef8b5ecd3b81e94cf6", "status": "affected", "versionType": "git"}, {"version": "0653028e8f1c97fec30710813a001ad8a2ec34f4", "lessThan": "affc03d44921f493deaae1d33151e3067a6f9f8f", "status": "affected", "versionType": "git"}, {"version": "0653028e8f1c97fec30710813a001ad8a2ec34f4", "lessThan": "ab9a70cd2386a0d70c164b0905dd66bc9af52e77", "status": "affected", "versionType": "git"}, {"version": "0653028e8f1c97fec30710813a001ad8a2ec34f4", "lessThan": "6df164e29bd4e6505c5a2e0e5f1e1f6957a16a42", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sunrpc/auth_gss/svcauth_gss.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.112", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.53", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.3", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "6.3", "versionEndExcluding": "6.6.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/81cec07d303186d0d8c623ef8b5ecd3b81e94cf6"}, {"url": "https://git.kernel.org/stable/c/affc03d44921f493deaae1d33151e3067a6f9f8f"}, {"url": "https://git.kernel.org/stable/c/ab9a70cd2386a0d70c164b0905dd66bc9af52e77"}, {"url": "https://git.kernel.org/stable/c/6df164e29bd4e6505c5a2e0e5f1e1f6957a16a42"}], "title": "sunrpc: fix null pointer dereference on zero-length checksum", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: fix null pointer dereference on zero-length checksum\n\nIn xdr_stream_decode_opaque_auth(), zero-length checksum.len causes\nchecksum.data to be set to NULL. This triggers a NPD when accessing\nchecksum.data in gss_krb5_verify_mic_v2(). This patch ensures that\nthe value of checksum.len is not less than XDR_UNIT."}], "id": "CVE-2025-40129", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-11-12T11:15:42.513", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6df164e29bd4e6505c5a2e0e5f1e1f6957a16a42"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81cec07d303186d0d8c623ef8b5ecd3b81e94cf6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab9a70cd2386a0d70c164b0905dd66bc9af52e77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/affc03d44921f493deaae1d33151e3067a6f9f8f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: sunrpc: fix null pointer dereference on zero-length checksum", "id": "2414517", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414517"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nsunrpc: fix null pointer dereference on zero-length checksum\nIn xdr_stream_decode_opaque_auth(), zero-length checksum.len causes\nchecksum.data to be set to NULL. This triggers a NPD when accessing\nchecksum.data in gss_krb5_verify_mic_v2(). This patch ensures that\nthe value of checksum.len is not less than XDR_UNIT."], "name": "CVE-2025-40129", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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"}], "public_date": "2025-11-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40129\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40129\nhttps://lore.kernel.org/linux-cve-announce/2025111254-CVE-2025-40129-fbb4@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-11-12T22:12:38.492715+00:00", "updated": "2025-11-12T22:12:38.492740+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}