CVE-2025-71306

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71306", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-08T13:14:33.088Z", "datePublished": "2026-05-27T12:14:57.182Z", "dateUpdated": "2026-10-21T12:38:43.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:38:43.000Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nima: Fix stack-out-of-bounds in is_bprm_creds_for_exec()\n\nKASAN reported a stack-out-of-bounds access in ima_appraise_measurement\nfrom is_bprm_creds_for_exec:\n\nBUG: KASAN: stack-out-of-bounds in ima_appraise_measurement+0x12dc/0x16a0\n Read of size 1 at addr ffffc9000160f940 by task sudo/550\nThe buggy address belongs to stack of task sudo/550\nand is located at offset 24 in frame:\n ima_appraise_measurement+0x0/0x16a0\nThis frame has 2 objects:\n [48, 56) 'file'\n [80, 148) 'hash'\n\nThis is caused by using container_of on the *file pointer. This offset\ncalculation is what triggers the stack-out-of-bounds error.\n\nIn order to fix this, pass in a bprm_is_check boolean which can be set\ndepending on how process_measurement is called. If the caller has a\nlinux_binprm pointer and the function is BPRM_CHECK we can determine\nis_check and set it then. Otherwise set it to false."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/integrity/ima/ima.h", "security/integrity/ima/ima_appraise.c", "security/integrity/ima/ima_main.c"], "versions": [{"version": "95b3cdafd7cb74414070893445a9b731793f7b55", "lessThan": "0f39d936a34933ebfbdc13a04f0aba814d3b9709", "status": "affected", "versionType": "git"}, {"version": "95b3cdafd7cb74414070893445a9b731793f7b55", "lessThan": "ab3d16da982a4ebb715d487dbf9dd66e3990d935", "status": "affected", "versionType": "git"}, {"version": "95b3cdafd7cb74414070893445a9b731793f7b55", "lessThan": "377cae9851e8559e9d8b82a78c1ac0abeb18839c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/integrity/ima/ima.h", "security/integrity/ima/ima_appraise.c", "security/integrity/ima/ima_main.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.58", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.14", "versionEndExcluding": "6.18.58"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0f39d936a34933ebfbdc13a04f0aba814d3b9709"}, {"url": "https://git.kernel.org/stable/c/ab3d16da982a4ebb715d487dbf9dd66e3990d935"}, {"url": "https://git.kernel.org/stable/c/377cae9851e8559e9d8b82a78c1ac0abeb18839c"}], "title": "ima: Fix stack-out-of-bounds in is_bprm_creds_for_exec()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["security/integrity/ima/ima.h", "security/integrity/ima/ima_appraise.c", "security/integrity/ima/ima_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0f39d936a34933ebfbdc13a04f0aba814d3b9709", "status": "affected", "version": "95b3cdafd7cb74414070893445a9b731793f7b55", "versionType": "git"}, {"lessThan": "ab3d16da982a4ebb715d487dbf9dd66e3990d935", "status": "affected", "version": "95b3cdafd7cb74414070893445a9b731793f7b55", "versionType": "git"}, {"lessThan": "377cae9851e8559e9d8b82a78c1ac0abeb18839c", "status": "affected", "version": "95b3cdafd7cb74414070893445a9b731793f7b55", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["security/integrity/ima/ima.h", "security/integrity/ima/ima_appraise.c", "security/integrity/ima/ima_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.58", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "31092616-0795-4C71-9777-22D46B94263F", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.14", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nima: Fix stack-out-of-bounds in is_bprm_creds_for_exec()\n\nKASAN reported a stack-out-of-bounds access in ima_appraise_measurement\nfrom is_bprm_creds_for_exec:\n\nBUG: KASAN: stack-out-of-bounds in ima_appraise_measurement+0x12dc/0x16a0\n Read of size 1 at addr ffffc9000160f940 by task sudo/550\nThe buggy address belongs to stack of task sudo/550\nand is located at offset 24 in frame:\n ima_appraise_measurement+0x0/0x16a0\nThis frame has 2 objects:\n [48, 56) 'file'\n [80, 148) 'hash'\n\nThis is caused by using container_of on the *file pointer. This offset\ncalculation is what triggers the stack-out-of-bounds error.\n\nIn order to fix this, pass in a bprm_is_check boolean which can be set\ndepending on how process_measurement is called. If the caller has a\nlinux_binprm pointer and the function is BPRM_CHECK we can determine\nis_check and set it then. Otherwise set it to false."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nima: Correcci\u00f3n de acceso fuera de l\u00edmites de la pila en is_bprm_creds_for_exec()\n\nKASAN inform\u00f3 un acceso fuera de l\u00edmites de la pila en ima_appraise_measurement desde is_bprm_creds_for_exec:\n\nERROR: KASAN: acceso fuera de l\u00edmites de la pila en ima_appraise_measurement+0x12dc/0x16a0\n Lectura de tama\u00f1o 1 en la direcci\u00f3n ffffc9000160f940 por la tarea sudo/550\nLa direcci\u00f3n defectuosa pertenece a la pila de la tarea sudo/550\ny est\u00e1 ubicada en el desplazamiento 24 en el marco:\n ima_appraise_measurement+0x0/0x16a0\nEste marco tiene 2 objetos:\n [48, 56) 'file'\n [80, 148) 'hash'\n\nEsto es causado por usar container_of en el puntero file. Este c\u00e1lculo de desplazamiento es lo que desencadena el error de acceso fuera de l\u00edmites de la pila.\n\nPara solucionar esto, pasar un booleano bprm_is_check que puede ser establecido dependiendo de c\u00f3mo se llama a process_measurement. Si el llamador tiene un puntero linux_binprm y la funci\u00f3n es BPRM_CHECK, podemos determinar is_check y establecerlo entonces. De lo contrario, establecerlo en falso."}], "id": "CVE-2025-71306", "lastModified": "2026-10-21T13:18:26.440", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-27T14:16:43.167", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f39d936a34933ebfbdc13a04f0aba814d3b9709"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/377cae9851e8559e9d8b82a78c1ac0abeb18839c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ab3d16da982a4ebb715d487dbf9dd66e3990d935"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ima: Fix stack-out-of-bounds in is_bprm_creds_for_exec()", "id": "2482189", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482189"}, "csaw": false, "cwe": "CWE-823", "details": ["A flaw was found in the Linux kernel's Integrity Measurement Architecture (IMA) subsystem. This vulnerability involves a stack-out-of-bounds access within the `ima_appraise_measurement` function during the processing of `bprm_creds` for execution. An attacker could potentially trigger this flaw by causing an incorrect memory offset calculation. This could lead to information disclosure or a denial of service (DoS) due to memory corruption."], "name": "CVE-2025-71306", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71306\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71306\nhttps://lore.kernel.org/linux-cve-announce/2026052706-CVE-2025-71306-f80c@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[95b3cdafd7cb74414070893445a9b731793f7b55,ab3d16da982a4ebb715d487dbf9dd66e3990d935)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[95b3cdafd7cb74414070893445a9b731793f7b55,377cae9851e8559e9d8b82a78c1ac0abeb18839c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.4,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T15:30:27.911904+00:00", "updated": "2026-08-12T02:00:05.312103+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}