{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54145", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:52.523Z", "datePublished": "2025-12-24T13:06:58.227Z", "dateUpdated": "2026-01-05T10:34:01.135Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-05T10:34:01.135Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: drop unnecessary user-triggerable WARN_ONCE in verifierl log\n\nIt's trivial for user to trigger \"verifier log line truncated\" warning,\nas verifier has a fixed-sized buffer of 1024 bytes (as of now), and there are at\nleast two pieces of user-provided information that can be output through\nthis buffer, and both can be arbitrarily sized by user:\n - BTF names;\n - BTF.ext source code lines strings.\n\nVerifier log buffer should be properly sized for typical verifier state\noutput. But it's sort-of expected that this buffer won't be long enough\nin some circumstances. So let's drop the check. In any case code will\nwork correctly, at worst truncating a part of a single line output."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/log.c"], "versions": [{"version": "a2a7d5701052542cd2260e7659b12443e0a74733", "lessThan": "40c88c429a598006f91ad7a2b89856cd50b3a008", "status": "affected", "versionType": "git"}, {"version": "a2a7d5701052542cd2260e7659b12443e0a74733", "lessThan": "926a175026fed5d534f587ea4ec3ec49265cd3c5", "status": "affected", "versionType": "git"}, {"version": "a2a7d5701052542cd2260e7659b12443e0a74733", "lessThan": "cff36398bd4c7d322d424433db437f3c3391c491", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/log.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.107", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.7", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "4.15", "versionEndExcluding": "6.1.107"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.4.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/40c88c429a598006f91ad7a2b89856cd50b3a008"}, {"url": "https://git.kernel.org/stable/c/926a175026fed5d534f587ea4ec3ec49265cd3c5"}, {"url": "https://git.kernel.org/stable/c/cff36398bd4c7d322d424433db437f3c3391c491"}], "title": "bpf: drop unnecessary user-triggerable WARN_ONCE in verifierl log", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: drop unnecessary user-triggerable WARN_ONCE in verifierl log\n\nIt's trivial for user to trigger \"verifier log line truncated\" warning,\nas verifier has a fixed-sized buffer of 1024 bytes (as of now), and there are at\nleast two pieces of user-provided information that can be output through\nthis buffer, and both can be arbitrarily sized by user:\n - BTF names;\n - BTF.ext source code lines strings.\n\nVerifier log buffer should be properly sized for typical verifier state\noutput. But it's sort-of expected that this buffer won't be long enough\nin some circumstances. So let's drop the check. In any case code will\nwork correctly, at worst truncating a part of a single line output."}], "id": "CVE-2023-54145", "lastModified": "2025-12-29T15:58:13.147", "metrics": {}, "published": "2025-12-24T13:16:16.510", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/40c88c429a598006f91ad7a2b89856cd50b3a008"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/926a175026fed5d534f587ea4ec3ec49265cd3c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cff36398bd4c7d322d424433db437f3c3391c491"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bpf: drop unnecessary user-triggerable WARN_ONCE in verifierl log", "id": "2425121", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425121"}, "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-2023-54145", "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": "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": "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": "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": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-54145\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54145\nhttps://lore.kernel.org/linux-cve-announce/2025122424-CVE-2023-54145-421d@gregkh/T"], "threat_severity": "Low"}

{}