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CVE-2024-57798 (GCVE-0-2024-57798)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:39 – Updated: 2026-05-11 20:59
VLAI
Title
drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req() While receiving an MST up request message from one thread in drm_dp_mst_handle_up_req(), the MST topology could be removed from another thread via drm_dp_mst_topology_mgr_set_mst(false), freeing mst_primary and setting drm_dp_mst_topology_mgr::mst_primary to NULL. This could lead to a NULL deref/use-after-free of mst_primary in drm_dp_mst_handle_up_req(). Avoid the above by holding a reference for mst_primary in drm_dp_mst_handle_up_req() while it's used. v2: Fix kfreeing the request if getting an mst_primary reference fails.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:08 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < f61b2e5e7821f868d6afc22382a66a30ee780ba0 (git)
Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < 9735d40f5fde9970aa46e828ecc85c32571d58a2 (git)
Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < ce55818b2d3a999f886af91679589e4644ff1dc8 (git)
Affected: 9408cc94eb041d0c2f9f00189a613b94c0449450 , < e54b00086f7473dbda1a7d6fc47720ced157c6a8 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 6.1.123 , ≤ 6.1.* (semver)
Unaffected: 6.6.69 , ≤ 6.6.* (semver)
Unaffected: 6.12.8 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:54:32.760Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-57798\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T20:08:59.297300Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:53:28.787Z\"}}], \"cna\": {\"title\": \"drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9408cc94eb041d0c2f9f00189a613b94c0449450\", \"lessThan\": \"f61b2e5e7821f868d6afc22382a66a30ee780ba0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9408cc94eb041d0c2f9f00189a613b94c0449450\", \"lessThan\": \"9735d40f5fde9970aa46e828ecc85c32571d58a2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9408cc94eb041d0c2f9f00189a613b94c0449450\", \"lessThan\": \"ce55818b2d3a999f886af91679589e4644ff1dc8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9408cc94eb041d0c2f9f00189a613b94c0449450\", \"lessThan\": \"e54b00086f7473dbda1a7d6fc47720ced157c6a8\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/display/drm_dp_mst_topology.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.123\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.69\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/display/drm_dp_mst_topology.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f61b2e5e7821f868d6afc22382a66a30ee780ba0\"}, {\"url\": \"https://git.kernel.org/stable/c/9735d40f5fde9970aa46e828ecc85c32571d58a2\"}, {\"url\": \"https://git.kernel.org/stable/c/ce55818b2d3a999f886af91679589e4644ff1dc8\"}, {\"url\": \"https://git.kernel.org/stable/c/e54b00086f7473dbda1a7d6fc47720ced157c6a8\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()\\n\\nWhile receiving an MST up request message from one thread in\\ndrm_dp_mst_handle_up_req(), the MST topology could be removed from\\nanother thread via drm_dp_mst_topology_mgr_set_mst(false), freeing\\nmst_primary and setting drm_dp_mst_topology_mgr::mst_primary to NULL.\\nThis could lead to a NULL deref/use-after-free of mst_primary in\\ndrm_dp_mst_handle_up_req().\\n\\nAvoid the above by holding a reference for mst_primary in\\ndrm_dp_mst_handle_up_req() while it\u0027s used.\\n\\nv2: Fix kfreeing the request if getting an mst_primary reference fails.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.123\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.69\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.8\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"5.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:59:09.510Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-57798\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:59:09.510Z\", \"dateReserved\": \"2025-01-11T12:32:49.420Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-01-11T12:39:48.212Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.





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.