{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50058", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.938Z", "datePublished": "2024-10-21T19:39:48.420Z", "dateUpdated": "2024-11-08T15:58:09.309Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:58:09.309Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: protect uart_port_dtr_rts() in uart_shutdown() too\n\nCommit af224ca2df29 (serial: core: Prevent unsafe uart port access, part\n3) added few uport == NULL checks. It added one to uart_shutdown(), so\nthe commit assumes, uport can be NULL in there. But right after that\nprotection, there is an unprotected \"uart_port_dtr_rts(uport, false);\"\ncall. That is invoked only if HUPCL is set, so I assume that is the\nreason why we do not see lots of these reports.\n\nOr it cannot be NULL at this point at all for some reason :P.\n\nUntil the above is investigated, stay on the safe side and move this\ndereference to the if too.\n\nI got this inconsistency from Coverity under CID 1585130. Thanks."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/serial_core.c"], "versions": [{"version": "1da177e4c3f4", "lessThan": "2fe399bb8efd", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "399927f0f875", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "d7b5876a6e74", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "e418d91195d2", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "76ed24a34223", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "602babaa84d6", "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/tty/serial/serial_core.c"], "versions": [{"version": "5.10.229", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.170", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.115", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.57", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.4", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/2fe399bb8efd0d325ab1138cf8e3ecf23a39e96d"}, {"url": "https://git.kernel.org/stable/c/399927f0f875b93f3d5a0336d382ba48b8671eb2"}, {"url": "https://git.kernel.org/stable/c/d7b5876a6e74cdf8468a478be6b23f2f5464ac7a"}, {"url": "https://git.kernel.org/stable/c/e418d91195d29d5f9c9685ff309b92b04b41dc40"}, {"url": "https://git.kernel.org/stable/c/76ed24a34223bb2c6b6162e1d8389ec4e602a290"}, {"url": "https://git.kernel.org/stable/c/602babaa84d627923713acaf5f7e9a4369e77473"}], "title": "serial: protect uart_port_dtr_rts() in uart_shutdown() too", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-50058", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:23:14.442818Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:28:42.567Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-50058", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:23:14.442818Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:23:17.570Z"}}], "cna": {"title": "serial: protect uart_port_dtr_rts() in uart_shutdown() too", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1da177e4c3f4", "lessThan": "2fe399bb8efd", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "399927f0f875", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "d7b5876a6e74", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "e418d91195d2", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "76ed24a34223", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "602babaa84d6", "versionType": "git"}], "programFiles": ["drivers/tty/serial/serial_core.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "unaffected", "version": "5.10.229", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.170", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.115", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.57", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.11.4", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/tty/serial/serial_core.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/2fe399bb8efd0d325ab1138cf8e3ecf23a39e96d"}, {"url": "https://git.kernel.org/stable/c/399927f0f875b93f3d5a0336d382ba48b8671eb2"}, {"url": "https://git.kernel.org/stable/c/d7b5876a6e74cdf8468a478be6b23f2f5464ac7a"}, {"url": "https://git.kernel.org/stable/c/e418d91195d29d5f9c9685ff309b92b04b41dc40"}, {"url": "https://git.kernel.org/stable/c/76ed24a34223bb2c6b6162e1d8389ec4e602a290"}, {"url": "https://git.kernel.org/stable/c/602babaa84d627923713acaf5f7e9a4369e77473"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: protect uart_port_dtr_rts() in uart_shutdown() too\n\nCommit af224ca2df29 (serial: core: Prevent unsafe uart port access, part\n3) added few uport == NULL checks. It added one to uart_shutdown(), so\nthe commit assumes, uport can be NULL in there. But right after that\nprotection, there is an unprotected \"uart_port_dtr_rts(uport, false);\"\ncall. That is invoked only if HUPCL is set, so I assume that is the\nreason why we do not see lots of these reports.\n\nOr it cannot be NULL at this point at all for some reason :P.\n\nUntil the above is investigated, stay on the safe side and move this\ndereference to the if too.\n\nI got this inconsistency from Coverity under CID 1585130. Thanks."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:58:09.309Z"}}}, "cveMetadata": {"cveId": "CVE-2024-50058", "state": "PUBLISHED", "dateUpdated": "2024-11-08T15:58:09.309Z", "dateReserved": "2024-10-21T19:36:19.938Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T19:39:48.420Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D50B3F37-2EA9-4348-B50C-34DCAAF2076E", "versionEndExcluding": "6.6.57", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AA84D336-CE9A-4535-B901-1AD77EC17C34", "versionEndExcluding": "6.11.4", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: protect uart_port_dtr_rts() in uart_shutdown() too\n\nCommit af224ca2df29 (serial: core: Prevent unsafe uart port access, part\n3) added few uport == NULL checks. It added one to uart_shutdown(), so\nthe commit assumes, uport can be NULL in there. But right after that\nprotection, there is an unprotected \"uart_port_dtr_rts(uport, false);\"\ncall. That is invoked only if HUPCL is set, so I assume that is the\nreason why we do not see lots of these reports.\n\nOr it cannot be NULL at this point at all for some reason :P.\n\nUntil the above is investigated, stay on the safe side and move this\ndereference to the if too.\n\nI got this inconsistency from Coverity under CID 1585130. Thanks."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: proteger uart_port_dtr_rts() en uart_shutdown() tambi\u00e9n El commit af224ca2df29 (serial: core: Prevenir el acceso inseguro al puerto uart, parte 3) agreg\u00f3 algunas comprobaciones uport == NULL. Agreg\u00f3 una a uart_shutdown(), por lo que el commit asume que uport puede ser NULL all\u00ed. Pero justo despu\u00e9s de esa protecci\u00f3n, hay una llamada \"uart_port_dtr_rts(uport, false);\" sin protecci\u00f3n. Eso se invoca solo si HUPCL est\u00e1 configurado, por lo que supongo que esa es la raz\u00f3n por la que no vemos muchos de estos informes. O no puede ser NULL en este punto en absoluto por alguna raz\u00f3n :P. Hasta que se investigue lo anterior, mant\u00e9ngase del lado seguro y mueva esta desreferencia al if tambi\u00e9n. Obtuve esta inconsistencia de Coverity bajo CID 1585130. Gracias."}], "id": "CVE-2024-50058", "lastModified": "2024-11-08T16:15:45.117", "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": "2024-10-21T20:15:17.993", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2fe399bb8efd0d325ab1138cf8e3ecf23a39e96d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/399927f0f875b93f3d5a0336d382ba48b8671eb2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/602babaa84d627923713acaf5f7e9a4369e77473"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/76ed24a34223bb2c6b6162e1d8389ec4e602a290"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d7b5876a6e74cdf8468a478be6b23f2f5464ac7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e418d91195d29d5f9c9685ff309b92b04b41dc40"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: serial: protect uart_port_dtr_rts() in uart_shutdown() too", "id": "2320612", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320612"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nserial: protect uart_port_dtr_rts() in uart_shutdown() too\nCommit af224ca2df29 (serial: core: Prevent unsafe uart port access, part\n3) added few uport == NULL checks. It added one to uart_shutdown(), so\nthe commit assumes, uport can be NULL in there. But right after that\nprotection, there is an unprotected \"uart_port_dtr_rts(uport, false);\"\ncall. That is invoked only if HUPCL is set, so I assume that is the\nreason why we do not see lots of these reports.\nOr it cannot be NULL at this point at all for some reason :P.\nUntil the above is investigated, stay on the safe side and move this\ndereference to the if too.\nI got this inconsistency from Coverity under CID 1585130. Thanks."], "name": "CVE-2024-50058", "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:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "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": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50058\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50058\nhttps://lore.kernel.org/linux-cve-announce/2024102135-CVE-2024-50058-e827@gregkh/T"], "threat_severity": "Moderate"}