{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-53206", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-11-19T17:17:25.019Z", "datePublished": "2024-12-27T13:49:52.131Z", "dateUpdated": "2024-12-27T13:49:52.131Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-27T13:49:52.131Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix use-after-free of nreq in reqsk_timer_handler().\n\nThe cited commit replaced inet_csk_reqsk_queue_drop_and_put() with\n__inet_csk_reqsk_queue_drop() and reqsk_put() in reqsk_timer_handler().\n\nThen, oreq should be passed to reqsk_put() instead of req; otherwise\nuse-after-free of nreq could happen when reqsk is migrated but the\nretry attempt failed (e.g. due to timeout).\n\nLet's pass oreq to reqsk_put()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/inet_connection_sock.c"], "versions": [{"version": "8459d61fbf24967839a70235165673148c7c7f17", "lessThan": "2dcc86fefe09ac853158afd96b60d544af115dc5", "status": "affected", "versionType": "git"}, {"version": "5071beb59ee416e8ab456ac8647a4dabcda823b1", "lessThan": "9a3c1ad93e6fba67b3a637cfa95a57a6685e4908", "status": "affected", "versionType": "git"}, {"version": "997ae8da14f1639ce6fb66a063dab54031cd61b3", "lessThan": "65ed89cad1f57034c256b016e89e8c0a4ec7c65b", "status": "affected", "versionType": "git"}, {"version": "51e34db64f4e43c7b055ccf881b7f3e0c31bb26d", "lessThan": "d0eb14cb8c08b00c36a3d5dc57a6f428b301f721", "status": "affected", "versionType": "git"}, {"version": "e8c526f2bdf1845bedaf6a478816a3d06fa78b8f", "lessThan": "6d845028609a4af0ad66f499ee0bd5789122b067", "status": "affected", "versionType": "git"}, {"version": "e8c526f2bdf1845bedaf6a478816a3d06fa78b8f", "lessThan": "c31e72d021db2714df03df6c42855a1db592716c", "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/ipv4/inet_connection_sock.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.174", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.11", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/2dcc86fefe09ac853158afd96b60d544af115dc5"}, {"url": "https://git.kernel.org/stable/c/9a3c1ad93e6fba67b3a637cfa95a57a6685e4908"}, {"url": "https://git.kernel.org/stable/c/65ed89cad1f57034c256b016e89e8c0a4ec7c65b"}, {"url": "https://git.kernel.org/stable/c/d0eb14cb8c08b00c36a3d5dc57a6f428b301f721"}, {"url": "https://git.kernel.org/stable/c/6d845028609a4af0ad66f499ee0bd5789122b067"}, {"url": "https://git.kernel.org/stable/c/c31e72d021db2714df03df6c42855a1db592716c"}], "title": "tcp: Fix use-after-free of nreq in reqsk_timer_handler().", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1984288E-8D42-413D-9278-5C8875307D85", "versionEndExcluding": "5.15.174", "versionStartIncluding": "5.15.170", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D2892E46-4214-412A-8D0C-BBC3194625DB", "versionEndExcluding": "6.1.120", "versionStartIncluding": "6.1.115", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D9F69665-7078-4461-B0BD-45F68F40ADDC", "versionEndExcluding": "6.6.64", "versionStartIncluding": "6.6.59", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15C56677-BDE0-424A-8936-383473939A5B", "versionEndExcluding": "6.11.11", "versionStartIncluding": "6.11.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8882B1B-2ABC-4838-AC1D-DBDBB5764776", "versionEndExcluding": "6.12.2", "versionStartIncluding": "6.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix use-after-free of nreq in reqsk_timer_handler().\n\nThe cited commit replaced inet_csk_reqsk_queue_drop_and_put() with\n__inet_csk_reqsk_queue_drop() and reqsk_put() in reqsk_timer_handler().\n\nThen, oreq should be passed to reqsk_put() instead of req; otherwise\nuse-after-free of nreq could happen when reqsk is migrated but the\nretry attempt failed (e.g. due to timeout).\n\nLet's pass oreq to reqsk_put()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: Se corrige el use-after-free de nreq en reqsk_timer_handler(). el commit citada reemplaz\u00f3 inet_csk_reqsk_queue_drop_and_put() con __inet_csk_reqsk_queue_drop() y reqsk_put() en reqsk_timer_handler(). Luego, oreq se debe pasar a reqsk_put() en lugar de req; de lo contrario, el use-after-free de nreq podr\u00eda ocurrir cuando se migra reqsk pero el intento de reintento falla (por ejemplo, debido al tiempo de espera). Pasemos oreq a reqsk_put()."}], "id": "CVE-2024-53206", "lastModified": "2025-01-14T17:20:51.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-12-27T14:15:28.453", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2dcc86fefe09ac853158afd96b60d544af115dc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65ed89cad1f57034c256b016e89e8c0a4ec7c65b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d845028609a4af0ad66f499ee0bd5789122b067"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9a3c1ad93e6fba67b3a637cfa95a57a6685e4908"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c31e72d021db2714df03df6c42855a1db592716c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d0eb14cb8c08b00c36a3d5dc57a6f428b301f721"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: tcp: Fix use-after-free of nreq in reqsk_timer_handler().", "id": "2334423", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334423"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntcp: Fix use-after-free of nreq in reqsk_timer_handler().\nThe cited commit replaced inet_csk_reqsk_queue_drop_and_put() with\n__inet_csk_reqsk_queue_drop() and reqsk_put() in reqsk_timer_handler().\nThen, oreq should be passed to reqsk_put() instead of req; otherwise\nuse-after-free of nreq could happen when reqsk is migrated but the\nretry attempt failed (e.g. due to timeout).\nLet's pass oreq to reqsk_put().", "A use-after-free vulnerability was found in the reqsk_timer_handler() function in the Linux kernel's TCP component. This issue occurs when an incorrect request object is passed during cleanup after a retry attempt fails, where a timeout leads to denial of service."], "name": "CVE-2024-53206", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "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": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53206\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53206\nhttps://lore.kernel.org/linux-cve-announce/2024122728-CVE-2024-53206-d85d@gregkh/T"], "statement": "The vulnerability is considered moderate because it requires specific conditions to exploit, such as a failed retry attempt during request migration, leading to a use-after-free, which can cause potential system instability or denial of service.", "threat_severity": "Moderate"}