CVE-2026-31570

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31570", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.117Z", "datePublished": "2026-04-24T14:35:49.435Z", "dateUpdated": "2026-10-19T18:55:59.285Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:23:34.970Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gw: fix OOB heap access in cgw_csum_crc8_rel()\n\ncgw_csum_crc8_rel() correctly computes bounds-safe indices via calc_idx():\n\n int from = calc_idx(crc8->from_idx, cf->len);\n int to = calc_idx(crc8->to_idx, cf->len);\n int res = calc_idx(crc8->result_idx, cf->len);\n\n if (from < 0 || to < 0 || res < 0)\n return;\n\nHowever, the loop and the result write then use the raw s8 fields directly\ninstead of the computed variables:\n\n for (i = crc8->from_idx; ...) /* BUG: raw negative index */\n cf->data[crc8->result_idx] = ...; /* BUG: raw negative index */\n\nWith from_idx = to_idx = result_idx = -64 on a 64-byte CAN FD frame,\ncalc_idx(-64, 64) = 0 so the guard passes, but the loop iterates with\ni = -64, reading cf->data[-64], and the write goes to cf->data[-64].\nThis write might end up to 56 (7.0-rc) or 40 (<= 6.19) bytes before the\nstart of the canfd_frame on the heap.\n\nThe companion function cgw_csum_xor_rel() uses `from`/`to`/`res`\ncorrectly throughout; fix cgw_csum_crc8_rel() to match.\n\nConfirmed with KASAN on linux-7.0-rc2:\n BUG: KASAN: slab-out-of-bounds in cgw_csum_crc8_rel+0x515/0x5b0\n Read of size 1 at addr ffff8880076619c8 by task poc_cgw_oob/62\n\nTo configure the can-gw crc8 checksums CAP_NET_ADMIN is needed."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - The vulnerable function runs in the CAN gateway receive path for CAN/CAN FD frames, after a matching gateway rule processes traffic. In a reasonable automotive or industrial CAN gateway deployment, an attacker on the same CAN segment can send matching CAN FD frames, so this is Adjacent.\nAC:L - There is no race or probabilistic condition; once an affected CRC8 relative-index gateway rule exists, the attacker can choose CAN ID, payload length, and frame contents to trigger the bad negative index path reliably. A 64-byte CAN FD frame reaches the demonstrated OOB case directly.\nPR:N - No host privileges are required to inject trigger CAN FD traffic into an already configured gateway route on the CAN segment. Creating or changing the rule requires CAP_NET_ADMIN in init_user_ns, but the highest reasonable deployed gateway scenario only requires attacker-controlled bus traffic.\nUI:N - No victim user action is required after the affected gateway configuration is present. The vulnerable code runs automatically while processing matching CAN FD frames.\nS:U - The impact is within the same kernel security authority as the vulnerable CAN gateway code. This is not a VM escape, IOMMU bypass, or other cross-scope boundary violation.\nC:H - The bug performs out-of-bounds heap reads before the CAN FD frame while computing CRC8. Because this is kernel heap memory exposure potential from memory corruption, confidentiality impact is High.\nI:H - The bug performs an out-of-bounds heap write through cf->data[result_idx] using a raw negative index. Kernel heap corruption is defensibly exploitable for integrity compromise, so integrity impact is High.\nA:H - KASAN confirms a slab-out-of-bounds access in the receive path, and repeated crafted frames can trigger kernel memory corruption. This can crash or destabilize the kernel, so availability impact is High."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/can/gw.c"], "versions": [{"version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "e7c99348b0612b2bc02d5ce6ff9873261cc7605f", "status": "affected", "versionType": "git"}, {"version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "999ca48d55a8a46da21519db7e834e5867200379", "status": "affected", "versionType": "git"}, {"version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "a025283d7f7404c739225e457fb99db2368bb544", "status": "affected", "versionType": "git"}, {"version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "54ecdf76a55e75c1f5085e440f8ab671a3283ef5", "status": "affected", "versionType": "git"}, {"version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": 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In a reasonable automotive or industrial CAN gateway deployment, an attacker on the same CAN segment can send matching CAN FD frames, so this is Adjacent.\nAC:L - There is no race or probabilistic condition; once an affected CRC8 relative-index gateway rule exists, the attacker can choose CAN ID, payload length, and frame contents to trigger the bad negative index path reliably. A 64-byte CAN FD frame reaches the demonstrated OOB case directly.\nPR:N - No host privileges are required to inject trigger CAN FD traffic into an already configured gateway route on the CAN segment. Creating or changing the rule requires CAP_NET_ADMIN in init_user_ns, but the highest reasonable deployed gateway scenario only requires attacker-controlled bus traffic.\nUI:N - No victim user action is required after the affected gateway configuration is present. The vulnerable code runs automatically while processing matching CAN FD frames.\nS:U - The impact is within the same kernel security authority as the vulnerable CAN gateway code. This is not a VM escape, IOMMU bypass, or other cross-scope boundary violation.\nC:H - The bug performs out-of-bounds heap reads before the CAN FD frame while computing CRC8. Because this is kernel heap memory exposure potential from memory corruption, confidentiality impact is High.\nI:H - The bug performs an out-of-bounds heap write through cf->data[result_idx] using a raw negative index. Kernel heap corruption is defensibly exploitable for integrity compromise, so integrity impact is High.\nA:H - KASAN confirms a slab-out-of-bounds access in the receive path, and repeated crafted frames can trigger kernel memory corruption. This can crash or destabilize the kernel, so availability impact is High."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "e7c99348b0612b2bc02d5ce6ff9873261cc7605f", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "999ca48d55a8a46da21519db7e834e5867200379", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "a025283d7f7404c739225e457fb99db2368bb544", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "54ecdf76a55e75c1f5085e440f8ab671a3283ef5", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "c4e8eaa75fa0b6bcbfa5356d6195c4ad0e05e57a", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "84f8b76d24273175a22713e83e90874e1880d801", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "66b689efd08227da2c5ca49b58b30a95d23c695a", "versionType": "git"}, {"status": "affected", "version": "456a8a646b2563438c16a9b27decf9aa717f1ebb", "lessThan": "b9c310d72783cc2f30d103eed83920a5a29c671a", "versionType": "git"}], "programFiles": ["net/can/gw.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.4"}, {"status": "unaffected", "version": "0", "lessThan": "5.4", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.253", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.203", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.168", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.131", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.80", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.21", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.11", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/can/gw.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/e7c99348b0612b2bc02d5ce6ff9873261cc7605f"}, {"url": "https://git.kernel.org/stable/c/999ca48d55a8a46da21519db7e834e5867200379"}, {"url": "https://git.kernel.org/stable/c/a025283d7f7404c739225e457fb99db2368bb544"}, {"url": "https://git.kernel.org/stable/c/54ecdf76a55e75c1f5085e440f8ab671a3283ef5"}, {"url": "https://git.kernel.org/stable/c/c4e8eaa75fa0b6bcbfa5356d6195c4ad0e05e57a"}, {"url": "https://git.kernel.org/stable/c/84f8b76d24273175a22713e83e90874e1880d801"}, {"url": "https://git.kernel.org/stable/c/66b689efd08227da2c5ca49b58b30a95d23c695a"}, {"url": "https://git.kernel.org/stable/c/b9c310d72783cc2f30d103eed83920a5a29c671a"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gw: fix OOB heap access in cgw_csum_crc8_rel()\n\ncgw_csum_crc8_rel() correctly computes bounds-safe indices via calc_idx():\n\n int from = calc_idx(crc8->from_idx, cf->len);\n int to = calc_idx(crc8->to_idx, cf->len);\n int res = calc_idx(crc8->result_idx, cf->len);\n\n if (from < 0 || to < 0 || res < 0)\n return;\n\nHowever, the loop and the result write then use the raw s8 fields directly\ninstead of the computed variables:\n\n for (i = crc8->from_idx; ...) /* BUG: raw negative index */\n cf->data[crc8->result_idx] = ...; /* BUG: raw negative index */\n\nWith from_idx = to_idx = result_idx = -64 on a 64-byte CAN FD frame,\ncalc_idx(-64, 64) = 0 so the guard passes, but the loop iterates with\ni = -64, reading cf->data[-64], and the write goes to cf->data[-64].\nThis write might end up to 56 (7.0-rc) or 40 (<= 6.19) bytes before the\nstart of the canfd_frame on the heap.\n\nThe companion function cgw_csum_xor_rel() uses `from`/`to`/`res`\ncorrectly throughout; fix cgw_csum_crc8_rel() to match.\n\nConfirmed with KASAN on linux-7.0-rc2:\n BUG: KASAN: slab-out-of-bounds in cgw_csum_crc8_rel+0x515/0x5b0\n Read of size 1 at addr ffff8880076619c8 by task poc_cgw_oob/62\n\nTo configure the can-gw crc8 checksums CAP_NET_ADMIN is needed."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.253", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.168", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.131", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.80", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.21", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.19.11", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0", "versionStartIncluding": "5.4"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:23:34.970Z"}}}, "cveMetadata": {"cveId": "CVE-2026-31570", "state": "PUBLISHED", "dateUpdated": "2026-10-19T18:55:59.285Z", "dateReserved": "2026-03-09T15:48:24.117Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-04-24T14:35:49.435Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*", "matchCriteriaId": "58A9FEFF-C040-420D-8F0A-BFDAAA1DF258", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*", "matchCriteriaId": "1D2315C0-D46F-4F85-9754-F9E5E11374A6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*", "matchCriteriaId": "512EE3A8-A590-4501-9A94-5D4B268D6138", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gw: fix OOB heap access in cgw_csum_crc8_rel()\n\ncgw_csum_crc8_rel() correctly computes bounds-safe indices via calc_idx():\n\n int from = calc_idx(crc8->from_idx, cf->len);\n int to = calc_idx(crc8->to_idx, cf->len);\n int res = calc_idx(crc8->result_idx, cf->len);\n\n if (from < 0 || to < 0 || res < 0)\n return;\n\nHowever, the loop and the result write then use the raw s8 fields directly\ninstead of the computed variables:\n\n for (i = crc8->from_idx; ...) /* BUG: raw negative index */\n cf->data[crc8->result_idx] = ...; /* BUG: raw negative index */\n\nWith from_idx = to_idx = result_idx = -64 on a 64-byte CAN FD frame,\ncalc_idx(-64, 64) = 0 so the guard passes, but the loop iterates with\ni = -64, reading cf->data[-64], and the write goes to cf->data[-64].\nThis write might end up to 56 (7.0-rc) or 40 (<= 6.19) bytes before the\nstart of the canfd_frame on the heap.\n\nThe companion function cgw_csum_xor_rel() uses `from`/`to`/`res`\ncorrectly throughout; fix cgw_csum_crc8_rel() to match.\n\nConfirmed with KASAN on linux-7.0-rc2:\n BUG: KASAN: slab-out-of-bounds in cgw_csum_crc8_rel+0x515/0x5b0\n Read of size 1 at addr ffff8880076619c8 by task poc_cgw_oob/62\n\nTo configure the can-gw crc8 checksums CAP_NET_ADMIN is needed."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: can: gw: corrige el acceso fuera de l\u00edmites (OOB) a la memoria din\u00e1mica en cgw_csum_crc8_rel() cgw_csum_crc8_rel() calcula correctamente los \u00edndices seguros dentro de los l\u00edmites mediante calc_idx(): int from = calc_idx(crc8 -> from_idx, cf -> len); int to = calc_idx(crc8 -> to_idx, cf -> len); int res = calc_idx(crc8 -> result_idx, cf -> len); if (from menor que 0 || to menor que 0 || res menor que 0) return; Sin embargo, el bucle y la escritura del resultado luego usan los campos s8 sin procesar directamente\nen lugar de las variables calculadas: for (i = crc8 -> from_idx; ...) /* ERROR: \u00edndice negativo sin procesar */ cf -> data[crc8 -> result_idx] = ...; /* ERROR: \u00edndice negativo sin procesar */ Con from_idx = to_idx = result_idx = -64 en una trama CAN FD de 64 bytes,\ncalc_idx(-64, 64) = 0 por lo que la comprobaci\u00f3n pasa, pero el bucle itera con\ni = -64, leyendo cf -> data[-64], y la escritura va a cf -> data[-64].\nEsta escritura podr\u00eda terminar hasta 56 (7.0-rc) o 40 (menor o igual que 6.19) bytes antes del\ninicio del canfd_frame en la memoria din\u00e1mica. La funci\u00f3n compa\u00f1era cgw_csum_xor_rel() usa \u2019from\u2019/\u2019to\u2019/\u2019res\u2019\ncorrectamente en todo momento; corrige cgw_csum_crc8_rel() para que coincida. Confirmado con KASAN en linux-7.0-rc2: ERROR: KASAN: slab-out-of-bounds in cgw_csum_crc8_rel+0x515/0x5b0 Lectura de tama\u00f1o 1 en la direcci\u00f3n ffff8880076619c8 por la tarea poc_cgw_oob/62 Para configurar las sumas de comprobaci\u00f3n crc8 de can-gw se necesita CAP_NET_ADMIN."}], "id": "CVE-2026-31570", "lastModified": "2026-11-11T23:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-31570", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:10:57.728767Z", "version": "2.0.3"}}]}, "published": "2026-04-24T15:16:31.520", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/54ecdf76a55e75c1f5085e440f8ab671a3283ef5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66b689efd08227da2c5ca49b58b30a95d23c695a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84f8b76d24273175a22713e83e90874e1880d801"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/999ca48d55a8a46da21519db7e834e5867200379"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a025283d7f7404c739225e457fb99db2368bb544"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b9c310d72783cc2f30d103eed83920a5a29c671a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c4e8eaa75fa0b6bcbfa5356d6195c4ad0e05e57a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7c99348b0612b2bc02d5ce6ff9873261cc7605f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: can: gw: fix OOB heap access in cgw_csum_crc8_rel()", "id": "2461554", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461554"}, "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": "draft"}, "cwe": "CWE-786", "details": ["A flaw was found in the Linux kernel's Controller Area Network (CAN) gateway module. An attacker with CAP_NET_ADMIN capabilities could exploit an out-of-bounds heap access vulnerability in the cgw_csum_crc8_rel() function. This flaw occurs due to incorrect index handling, where raw negative indices are used instead of properly calculated bounds-safe indices. Successful exploitation could lead to memory corruption, potentially resulting in a denial of service or information disclosure."], "name": "CVE-2026-31570", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "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": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31570\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31570\nhttps://lore.kernel.org/linux-cve-announce/2026042402-CVE-2026-31570-5f18@gregkh/T"], "threat_severity": "Moderate"}

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