{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54139", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:52.522Z", "datePublished": "2025-12-24T13:06:54.094Z", "dateUpdated": "2026-05-11T19:56:14.446Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:56:14.446Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/user_events: Ensure write index cannot be negative\n\nThe write index indicates which event the data is for and accesses a\nper-file array. The index is passed by user processes during write()\ncalls as the first 4 bytes. Ensure that it cannot be negative by\nreturning -EINVAL to prevent out of bounds accesses.\n\nUpdate ftrace self-test to ensure this occurs properly."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_events_user.c", "tools/testing/selftests/user_events/ftrace_test.c"], "versions": [{"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "0489c2b2c3104b89f078dbcec8c744dfc157d3e9", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "4fe46b5adf18e3dc606e62c9e6a0413398a17572", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "fa7f2f5d1739452280c22727c4384a52b72ab5de", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "cd98c93286a30cc4588dfd02453bec63c2f4acf4", "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/trace/trace_events_user.c", "tools/testing/selftests/user_events/ftrace_test.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.28", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.15", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.2", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4", "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": "5.18", "versionEndExcluding": "6.1.28"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.2.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.3.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0489c2b2c3104b89f078dbcec8c744dfc157d3e9"}, {"url": "https://git.kernel.org/stable/c/4fe46b5adf18e3dc606e62c9e6a0413398a17572"}, {"url": "https://git.kernel.org/stable/c/fa7f2f5d1739452280c22727c4384a52b72ab5de"}, {"url": "https://git.kernel.org/stable/c/cd98c93286a30cc4588dfd02453bec63c2f4acf4"}], "title": "tracing/user_events: Ensure write index cannot be negative", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/user_events: Ensure write index cannot be negative\n\nThe write index indicates which event the data is for and accesses a\nper-file array. The index is passed by user processes during write()\ncalls as the first 4 bytes. Ensure that it cannot be negative by\nreturning -EINVAL to prevent out of bounds accesses.\n\nUpdate ftrace self-test to ensure this occurs properly."}], "id": "CVE-2023-54139", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-24T13:16:15.900", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0489c2b2c3104b89f078dbcec8c744dfc157d3e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4fe46b5adf18e3dc606e62c9e6a0413398a17572"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cd98c93286a30cc4588dfd02453bec63c2f4acf4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fa7f2f5d1739452280c22727c4384a52b72ab5de"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: tracing/user_events: Ensure write index cannot be negative", "id": "2425088", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425088"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2023-54139", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "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-2023-54139\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54139\nhttps://lore.kernel.org/linux-cve-announce/2025122422-CVE-2023-54139-ce08@gregkh/T"]}

{}