{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52581", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-02T21:55:42.569Z", "datePublished": "2024-03-02T21:59:47.856Z", "dateUpdated": "2024-11-07T14:54:23.969Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:49:07.571Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\n\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\n\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\n\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\n\nWhile at it, don't deref 'gc' after we've passed it to call_rcu."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/netfilter/nf_tables.h", "net/netfilter/nf_tables_api.c"], "versions": [{"version": "8da1b048f9a5", "lessThan": "7cf055b43756", "status": "affected", "versionType": "git"}, {"version": "bbdb3b65aa91", "lessThan": "a995a68e8a3b", "status": "affected", "versionType": "git"}, {"version": "448be0774882", "lessThan": "09c85f2d21ab", "status": "affected", "versionType": "git"}, {"version": "d19e8bf3ea41", "lessThan": "ef99506eaf1d", "status": "affected", "versionType": "git"}, {"version": "ea3eb9f2192e", "lessThan": "7e5d732e6902", "status": "affected", "versionType": "git"}, {"version": "5f68718b34a5", "lessThan": "4aea243b6853", "status": "affected", "versionType": "git"}, {"version": "5f68718b34a5", "lessThan": "cf5000a7787c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/netfilter/nf_tables.h", "net/netfilter/nf_tables_api.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.6", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125"}, {"url": "https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01"}, {"url": "https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8"}, {"url": "https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171"}, {"url": "https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07"}, {"url": "https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14"}, {"url": "https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5"}], "title": "netfilter: nf_tables: fix memleak when more than 255 elements expired", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-03-05T20:19:37.141289Z", "id": "CVE-2023-52581", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T14:54:23.969Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.164Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.164Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-52581", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-05T20:19:37.141289Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T15:20:41.351Z"}}], "cna": {"title": "netfilter: nf_tables: fix memleak when more than 255 elements expired", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8da1b048f9a5", "lessThan": "7cf055b43756", "versionType": "git"}, {"status": "affected", "version": "bbdb3b65aa91", "lessThan": "a995a68e8a3b", "versionType": "git"}, {"status": "affected", "version": "448be0774882", "lessThan": "09c85f2d21ab", "versionType": "git"}, {"status": "affected", "version": "d19e8bf3ea41", "lessThan": "ef99506eaf1d", "versionType": "git"}, {"status": "affected", "version": "ea3eb9f2192e", "lessThan": "7e5d732e6902", "versionType": "git"}, {"status": "affected", "version": "5f68718b34a5", "lessThan": "4aea243b6853", "versionType": "git"}, {"status": "affected", "version": "5f68718b34a5", "lessThan": "cf5000a7787c", "versionType": "git"}], "programFiles": ["include/net/netfilter/nf_tables.h", "net/netfilter/nf_tables_api.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.5"}, {"status": "unaffected", "version": "0", "lessThan": "6.5", "versionType": "semver"}, {"status": "unaffected", "version": "6.5.6", "versionType": "semver", "lessThanOrEqual": "6.5.*"}, {"status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["include/net/netfilter/nf_tables.h", "net/netfilter/nf_tables_api.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125"}, {"url": "https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01"}, {"url": "https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8"}, {"url": "https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171"}, {"url": "https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07"}, {"url": "https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14"}, {"url": "https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\n\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\n\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\n\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\n\nWhile at it, don't deref 'gc' after we've passed it to call_rcu."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:49:07.571Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52581", "state": "PUBLISHED", "dateUpdated": "2024-11-07T14:54:23.969Z", "dateReserved": "2024-03-02T21:55:42.569Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-02T21:59:47.856Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\n\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\n\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\n\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\n\nWhile at it, don't deref 'gc' after we've passed it to call_rcu."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_tables: corrige memleak cuando caducan m\u00e1s de 255 elementos Cuando caducan m\u00e1s de 255 elementos, se supone que debemos cambiar a una nueva estructura de contenedor gc. Esto nunca sucede: el tipo u8 se ajustar\u00e1 antes de alcanzar el l\u00edmite y nft_trans_gc_space() siempre devuelve verdadero. Esto significa que reciclamos la estructura inicial del contenedor gc y perdemos la pista de los elementos anteriores. Mientras lo hace, no elimine 'gc' despu\u00e9s de que lo hayamos pasado a call_rcu."}], "id": "CVE-2023-52581", "lastModified": "2024-11-07T15:35:09.507", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-03-02T22:15:49.727", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:2950", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.rt7.342.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:3138", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:2394", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2394", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}], "bugzilla": {"description": "kernel: netfilter: nf_tables: memory leak when more than 255 elements expired", "id": "2267761", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267761"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\nWhile at it, don't deref 'gc' after we've passed it to call_rcu.", "A use-after-free flaw was found in the Linux kernel\u2019s nftables sub-component due to a race problem between the set GC and transaction in the Linux Kernel. This flaw allows a local attacker to crash the system. This flaw is similar to the previous CVE-2023-4244 but for a different part of the source code."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is to skip loading the affected module \"nftables\" onto the system until we have an available fix. This can be done by a blacklist mechanism and will ensure the driver is not loaded at the boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically?\nhttps://access.redhat.com/solutions/41278 \n~~~"}, "name": "CVE-2023-52581", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52581\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52581\nhttps://lore.kernel.org/linux-cve-announce/2024030258-CVE-2023-52581-2165@gregkh/T/#u"], "statement": "Exploiting this flaw will require CAP_NET_ADMIN access privilege in any user or network namespace.\nAlso, on non-containerized deployments of Red Hat Enterprise Linux, you can disable user namespaces by setting user.max_user_namespaces to 0:\n$ echo \"user.max_user_namespaces=0\" > /etc/sysctl.d/userns.conf\n$ sysctl -p /etc/sysctl.d/userns.conf\nOn containerized deployments, such as Red Hat OpenShift Container Platform, do not use this mitigation as the functionality is needed to be enabled.", "threat_severity": "Moderate", "upstream_fix": "kernel 6.5.6, kernel 6.6"}