{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-53085", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-11-19T17:17:24.979Z", "datePublished": "2024-11-19T17:45:14.209Z", "dateUpdated": "2024-12-19T09:38:49.816Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:38:49.816Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Lock TPM chip in tpm_pm_suspend() first\n\nSetting TPM_CHIP_FLAG_SUSPENDED in the end of tpm_pm_suspend() can be racy\naccording, as this leaves window for tpm_hwrng_read() to be called while\nthe operation is in progress. The recent bug report gives also evidence of\nthis behaviour.\n\nAadress this by locking the TPM chip before checking any chip->flags both\nin tpm_pm_suspend() and tpm_hwrng_read(). Move TPM_CHIP_FLAG_SUSPENDED\ncheck inside tpm_get_random() so that it will be always checked only when\nthe lock is reserved."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/tpm/tpm-chip.c", "drivers/char/tpm/tpm-interface.c"], "versions": [{"version": "99d46450625590d410f86fe4660a5eff7d3b8343", "lessThan": "cfaf83501a0cbb104499c5b0892ee5ebde4e967f", "status": "affected", "versionType": "git"}, {"version": "99d46450625590d410f86fe4660a5eff7d3b8343", "lessThan": "bc203fe416abdd1c29da594565a7c3c4e979488e", "status": "affected", "versionType": "git"}, {"version": "99d46450625590d410f86fe4660a5eff7d3b8343", "lessThan": "9265fed6db601ee2ec47577815387458ef4f047a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/tpm/tpm-chip.c", "drivers/char/tpm/tpm-interface.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.8", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/cfaf83501a0cbb104499c5b0892ee5ebde4e967f"}, {"url": "https://git.kernel.org/stable/c/bc203fe416abdd1c29da594565a7c3c4e979488e"}, {"url": "https://git.kernel.org/stable/c/9265fed6db601ee2ec47577815387458ef4f047a"}], "title": "tpm: Lock TPM chip in tpm_pm_suspend() first", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9622BDD0-B318-4383-8164-BB85D5D842B3", "versionEndExcluding": "6.11.8", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*", "matchCriteriaId": "24B88717-53F5-42AA-9B72-14C707639E3F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Lock TPM chip in tpm_pm_suspend() first\n\nSetting TPM_CHIP_FLAG_SUSPENDED in the end of tpm_pm_suspend() can be racy\naccording, as this leaves window for tpm_hwrng_read() to be called while\nthe operation is in progress. The recent bug report gives also evidence of\nthis behaviour.\n\nAadress this by locking the TPM chip before checking any chip->flags both\nin tpm_pm_suspend() and tpm_hwrng_read(). Move TPM_CHIP_FLAG_SUSPENDED\ncheck inside tpm_get_random() so that it will be always checked only when\nthe lock is reserved."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tpm: Bloquear el chip TPM en tpm_pm_suspend() primero Establecer TPM_CHIP_FLAG_SUSPENDED al final de tpm_pm_suspend() puede ser arriesgado, ya que esto deja margen para que se llame a tpm_hwrng_read() mientras la operaci\u00f3n est\u00e1 en progreso. El reciente informe de errores tambi\u00e9n proporciona evidencia de este comportamiento. Solucione esto bloqueando el chip TPM antes de comprobar cualquier chip->flags tanto en tpm_pm_suspend() como en tpm_hwrng_read(). Mueva la comprobaci\u00f3n TPM_CHIP_FLAG_SUSPENDED dentro de tpm_get_random() para que siempre se compruebe solo cuando el bloqueo est\u00e9 reservado."}], "id": "CVE-2024-53085", "lastModified": "2024-12-09T13:10:05.850", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-11-19T18:15:27.757", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9265fed6db601ee2ec47577815387458ef4f047a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bc203fe416abdd1c29da594565a7c3c4e979488e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfaf83501a0cbb104499c5b0892ee5ebde4e967f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: tpm: Lock TPM chip in tpm_pm_suspend() first", "id": "2327358", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327358"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-667", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntpm: Lock TPM chip in tpm_pm_suspend() first\nSetting TPM_CHIP_FLAG_SUSPENDED in the end of tpm_pm_suspend() can be racy\naccording, as this leaves window for tpm_hwrng_read() to be called while\nthe operation is in progress. The recent bug report gives also evidence of\nthis behaviour.\nAadress this by locking the TPM chip before checking any chip->flags both\nin tpm_pm_suspend() and tpm_hwrng_read(). Move TPM_CHIP_FLAG_SUSPENDED\ncheck inside tpm_get_random() so that it will be always checked only when\nthe lock is reserved."], "name": "CVE-2024-53085", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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: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": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53085\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53085\nhttps://lore.kernel.org/linux-cve-announce/2024111905-CVE-2024-53085-9cf3@gregkh/T"], "threat_severity": "Moderate"}