CVE-2024-50058 (GCVE-0-2024-50058)

Vulnerability from cvelistv5 – Published: 2024-10-21 19:39 – Updated: 2026-05-12 12:00
VLAI
Title
serial: protect uart_port_dtr_rts() in uart_shutdown() too
Summary
In the Linux kernel, the following vulnerability has been resolved: serial: protect uart_port_dtr_rts() in uart_shutdown() too Commit af224ca2df29 (serial: core: Prevent unsafe uart port access, part 3) added few uport == NULL checks. It added one to uart_shutdown(), so the commit assumes, uport can be NULL in there. But right after that protection, there is an unprotected "uart_port_dtr_rts(uport, false);" call. That is invoked only if HUPCL is set, so I assume that is the reason why we do not see lots of these reports. Or it cannot be NULL at this point at all for some reason :P. Until the above is investigated, stay on the safe side and move this dereference to the if too. I got this inconsistency from Coverity under CID 1585130. Thanks.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: af224ca2df297440448b9d407d21b50982c6d532 , < 2fe399bb8efd0d325ab1138cf8e3ecf23a39e96d (git)
Affected: af224ca2df297440448b9d407d21b50982c6d532 , < 399927f0f875b93f3d5a0336d382ba48b8671eb2 (git)
Affected: af224ca2df297440448b9d407d21b50982c6d532 , < d7b5876a6e74cdf8468a478be6b23f2f5464ac7a (git)
Affected: af224ca2df297440448b9d407d21b50982c6d532 , < e418d91195d29d5f9c9685ff309b92b04b41dc40 (git)
Affected: af224ca2df297440448b9d407d21b50982c6d532 , < 76ed24a34223bb2c6b6162e1d8389ec4e602a290 (git)
Affected: af224ca2df297440448b9d407d21b50982c6d532 , < 602babaa84d627923713acaf5f7e9a4369e77473 (git)
Create a notification for this product.
Linux Linux Affected: 4.7
Unaffected: 0 , < 4.7 (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.170 , ≤ 5.15.* (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.57 , ≤ 6.6.* (semver)
Unaffected: 6.11.4 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Show details on NVD website
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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.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/tty/serial/serial_core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"af224ca2df297440448b9d407d21b50982c6d532\",\"lessThan\":\"2fe399bb8efd0d325ab1138cf8e3ecf23a39e96d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af224ca2df297440448b9d407d21b50982c6d532\",\"lessThan\":\"399927f0f875b93f3d5a0336d382ba48b8671eb2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af224ca2df297440448b9d407d21b50982c6d532\",\"lessThan\":\"d7b5876a6e74cdf8468a478be6b23f2f5464ac7a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af224ca2df297440448b9d407d21b50982c6d532\",\"lessThan\":\"e418d91195d29d5f9c9685ff309b92b04b41dc40\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af224ca2df297440448b9d407d21b50982c6d532\",\"lessThan\":\"76ed24a34223bb2c6b6162e1d8389ec4e602a290\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af224ca2df297440448b9d407d21b50982c6d532\",\"lessThan\":\"602babaa84d627923713acaf5f7e9a4369e77473\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/tty/serial/serial_core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.229\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.170\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.115\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.57\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.4\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-10-22T13:23:14.442818Z\",\"id\":\"CVE-2024-50058\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.6.57\",\"matchCriteriaId\":\"D50B3F37-2EA9-4348-B50C-34DCAAF2076E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.4\",\"matchCriteriaId\":\"AA84D336-CE9A-4535-B901-1AD77EC17C34\"}]}]}],\"references\":[{\"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\"},{\"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\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d7b5876a6e74cdf8468a478be6b23f2f5464ac7a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e418d91195d29d5f9c9685ff309b92b04b41dc40\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T08:08:24+00:00",
      "cve": "CVE-2024-50058",
      "id": "CVE-2024-50058",
      "initial_release_date": "2024-10-21T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "98",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: serial: protect uart_port_dtr_rts() in uart_shutdown() too",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50058.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-16T19:03:55Z",
      "cve": "CVE-2024-50058",
      "id": "CVE-2024-50058",
      "initial_release_date": "2024-10-22T02:49:33Z",
      "product_status:known_affected": "554",
      "product_status:known_not_affected": "28",
      "product_status:recommended": "719",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50058",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50058.json",
      "version": "69"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:24:57.190Z\"}}, {\"affected\": [{\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-05-12T12:00:12.436Z\"}}, {\"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\": \"af224ca2df297440448b9d407d21b50982c6d532\", \"lessThan\": \"2fe399bb8efd0d325ab1138cf8e3ecf23a39e96d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"af224ca2df297440448b9d407d21b50982c6d532\", \"lessThan\": \"399927f0f875b93f3d5a0336d382ba48b8671eb2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"af224ca2df297440448b9d407d21b50982c6d532\", \"lessThan\": \"d7b5876a6e74cdf8468a478be6b23f2f5464ac7a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"af224ca2df297440448b9d407d21b50982c6d532\", \"lessThan\": \"e418d91195d29d5f9c9685ff309b92b04b41dc40\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"af224ca2df297440448b9d407d21b50982c6d532\", \"lessThan\": \"76ed24a34223bb2c6b6162e1d8389ec4e602a290\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"af224ca2df297440448b9d407d21b50982c6d532\", \"lessThan\": \"602babaa84d627923713acaf5f7e9a4369e77473\", \"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\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.7\", \"versionType\": \"semver\"}, {\"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\", \"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-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.229\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.170\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.115\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.57\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.4\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"4.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:44:36.332Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50058\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T12:00:12.436Z\", \"dateReserved\": \"2024-10-21T19:36:19.938Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T19:39:48.420Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.