{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-43890", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix overflow in get_free_elt()\n\n\"tracing_map->next_elt\" in get_free_elt() is at risk of overflowing.\n\nOnce it overflows, new elements can still be inserted into the tracing_map\neven though the maximum number of elements (`max_elts`) has been reached.\nContinuing to insert elements after the overflow could result in the\ntracing_map containing \"tracing_map->max_size\" elements, leaving no empty\nentries.\nIf any attempt is made to insert an element into a full tracing_map using\n`__tracing_map_insert()`, it will cause an infinite loop with preemption\ndisabled, leading to a CPU hang problem.\n\nFix this by preventing any further increments to \"tracing_map->next_elt\"\nonce it reaches \"tracing_map->max_elt\"." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "08d43a5fa063", "version_value": "302ceb625d7b" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.320", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.282", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.224", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.165", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.105", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.46", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.10.5", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/302ceb625d7b990db205a15e371f9a71238de91c", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/302ceb625d7b990db205a15e371f9a71238de91c" }, { "url": "https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18" }, { "url": "https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a" }, { "url": "https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da" }, { "url": "https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5" }, { "url": "https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8" }, { "url": "https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6" }, { "url": "https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }