{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64173", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.039Z", "datePublished": "2026-07-19T15:40:58.251Z", "dateUpdated": "2026-07-19T15:40:58.251Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T15:40:58.251Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Do not call map->ops->elt_free() if elt_alloc() fails\n\nIn paths where tracing_map_elt_alloc() failed to allocate objects,\nthe map->ops->elt_alloc() call was never successful. In this case,\nmap->ops->elt_free() should not be called."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/tracing_map.c"], "versions": [{"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "49332e49ad5b20262cc719b03d4123b9362de701", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "b559a218eece132de0c58d444877b5627cbee524", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "b427e9f6d81c9341cba23ef92f860f99f830d91d", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "f383cff9fb382139980bac1bcd3f3f5d59f68435", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "1a150947f8480262a46c860f1acb9c6597ca7097", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "798183376d9d3e278a270ea0e75a5769c8f145d9", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "b6723339736320b2e1784258ad4490cec7aac11a", "status": "affected", "versionType": "git"}, {"version": "2734b629525a9dae5bf217cbf0a9651da93d2108", "lessThan": "8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03", "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/tracing_map.c"], "versions": [{"version": "4.17", "status": "affected"}, {"version": "0", "lessThan": "4.17", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.142", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.92", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.34", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.11", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.17", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.6.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.12.92"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.18.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "7.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701"}, {"url": "https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524"}, {"url": "https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d"}, {"url": "https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435"}, {"url": "https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097"}, {"url": "https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9"}, {"url": "https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a"}, {"url": "https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"}], "title": "tracing: Do not call map->ops->elt_free() if elt_alloc() fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: tracing: Do not call map->ops->elt_free() if elt_alloc() fails", "id": "2502530", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502530"}, "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"}, "cwe": "CWE-1341", "details": ["A flaw was found in the Linux kernel. An issue in the tracing subsystem's memory management could lead to incorrect deallocation of tracing map elements. Specifically, the system attempts to free memory that was never successfully allocated, which can result in memory corruption. This vulnerability may lead to system instability or a denial of service (DoS) condition."], "name": "CVE-2026-64173", "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64173\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64173\nhttps://lore.kernel.org/linux-cve-announce/2026071936-CVE-2026-64173-6ece@gregkh/T"], "threat_severity": "Moderate"}