{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38568", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.025Z", "datePublished": "2025-08-19T17:02:49.278Z", "dateUpdated": "2025-08-19T17:02:49.278Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-08-19T17:02:49.278Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: mqprio: fix stack out-of-bounds write in tc entry parsing\n\nTCA_MQPRIO_TC_ENTRY_INDEX is validated using\nNLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value\nTC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack\nwrite in the fp[] array, which only has room for 16 elements (0\u201315).\n\nFix this by changing the policy to allow only up to TC_QOPT_MAX_QUEUE - 1."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sched/sch_mqprio.c"], "versions": [{"version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58", "lessThan": "39491e859fd494d0b51adc5c7d54c8a7dcf1d198", "status": "affected", "versionType": "git"}, {"version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58", "lessThan": "d00e4125680f7074c4f42ce3c297336f23128e70", "status": "affected", "versionType": "git"}, {"version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58", "lessThan": "66fc2ebdd9d5dd6e5a9c7edeace5a61a0ab2cd86", "status": "affected", "versionType": "git"}, {"version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58", "lessThan": "f1a9dbcb7d17bf0abb325cdc984957cfabc59693", "status": "affected", "versionType": "git"}, {"version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58", "lessThan": "ffd2dc4c6c49ff4f1e5d34e454a6a55608104c17", "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/sched/sch_mqprio.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.102", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.42", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.10", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.1", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17-rc1", "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": "6.4", "versionEndExcluding": "6.6.102"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.16.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.17-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/39491e859fd494d0b51adc5c7d54c8a7dcf1d198"}, {"url": "https://git.kernel.org/stable/c/d00e4125680f7074c4f42ce3c297336f23128e70"}, {"url": "https://git.kernel.org/stable/c/66fc2ebdd9d5dd6e5a9c7edeace5a61a0ab2cd86"}, {"url": "https://git.kernel.org/stable/c/f1a9dbcb7d17bf0abb325cdc984957cfabc59693"}, {"url": "https://git.kernel.org/stable/c/ffd2dc4c6c49ff4f1e5d34e454a6a55608104c17"}], "title": "net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: mqprio: fix stack out-of-bounds write in tc entry parsing\n\nTCA_MQPRIO_TC_ENTRY_INDEX is validated using\nNLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value\nTC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack\nwrite in the fp[] array, which only has room for 16 elements (0\u201315).\n\nFix this by changing the policy to allow only up to TC_QOPT_MAX_QUEUE - 1."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/sched: mqprio: se corrige una escritura fuera de los l\u00edmites en la pila durante el an\u00e1lisis de la entrada tc. TCA_MQPRIO_TC_ENTRY_INDEX se valida mediante NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), que permite el valor TC_QOPT_MAX_QUEUE (16). Esto provoca una escritura fuera de los l\u00edmites de 4 bytes en la matriz fp[], que solo admite 16 elementos (0-15). Para solucionar esto, modifique la pol\u00edtica para permitir solo hasta TC_QOPT_MAX_QUEUE - 1."}], "id": "CVE-2025-38568", "lastModified": "2025-08-20T14:40:17.713", "metrics": {}, "published": "2025-08-19T17:15:33.523", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39491e859fd494d0b51adc5c7d54c8a7dcf1d198"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66fc2ebdd9d5dd6e5a9c7edeace5a61a0ab2cd86"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d00e4125680f7074c4f42ce3c297336f23128e70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f1a9dbcb7d17bf0abb325cdc984957cfabc59693"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ffd2dc4c6c49ff4f1e5d34e454a6a55608104c17"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing", "id": "2389507", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2389507"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38568", "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": "Under investigation", "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": "2025-08-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38568\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38568\nhttps://lore.kernel.org/linux-cve-announce/2025081909-CVE-2025-38568-7cd9@gregkh/T"], "threat_severity": "Important"}