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CVE-2024-43833 (GCVE-0-2024-43833)

Vulnerability from cvelistv5 – Published: 2024-08-17 09:21 – Updated: 2026-05-11 20:30
VLAI
Title
media: v4l: async: Fix NULL pointer dereference in adding ancillary links
Summary
In the Linux kernel, the following vulnerability has been resolved: media: v4l: async: Fix NULL pointer dereference in adding ancillary links In v4l2_async_create_ancillary_links(), ancillary links are created for lens and flash sub-devices. These are sub-device to sub-device links and if the async notifier is related to a V4L2 device, the source sub-device of the ancillary link is NULL, leading to a NULL pointer dereference. Check the notifier's sd field is non-NULL in v4l2_async_create_ancillary_links(). [Sakari Ailus: Reword the subject and commit messages slightly.]
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:08 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: aa4faf6eb27132532d5a133d9241254c16d4bafa , < fe0f92fd5320b393e44ca210805e653ea90cc982 (git)
Affected: aa4faf6eb27132532d5a133d9241254c16d4bafa , < 249212ceb4187783af3801c57b92a5a25d410621 (git)
Affected: aa4faf6eb27132532d5a133d9241254c16d4bafa , < b87e28050d9b0959de24574d587825cfab2f13fb (git)
Affected: aa4faf6eb27132532d5a133d9241254c16d4bafa , < 9b4667ea67854f0b116fe22ad11ef5628c5b5b5f (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.19
Unaffected: 0 , < 5.19 (semver)
Unaffected: 6.1.103 , ≤ 6.1.* (semver)
Unaffected: 6.6.44 , ≤ 6.6.* (semver)
Unaffected: 6.10.3 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (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/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:05:18.444Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-43833\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:08:21.590404Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:14.212Z\"}}], \"cna\": {\"title\": \"media: v4l: async: Fix NULL pointer dereference in adding ancillary links\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"aa4faf6eb27132532d5a133d9241254c16d4bafa\", \"lessThan\": \"fe0f92fd5320b393e44ca210805e653ea90cc982\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aa4faf6eb27132532d5a133d9241254c16d4bafa\", \"lessThan\": \"249212ceb4187783af3801c57b92a5a25d410621\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aa4faf6eb27132532d5a133d9241254c16d4bafa\", \"lessThan\": \"b87e28050d9b0959de24574d587825cfab2f13fb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aa4faf6eb27132532d5a133d9241254c16d4bafa\", \"lessThan\": \"9b4667ea67854f0b116fe22ad11ef5628c5b5b5f\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/media/v4l2-core/v4l2-async.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.19\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.19\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.103\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.44\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/media/v4l2-core/v4l2-async.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982\"}, {\"url\": \"https://git.kernel.org/stable/c/249212ceb4187783af3801c57b92a5a25d410621\"}, {\"url\": \"https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb\"}, {\"url\": \"https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: v4l: async: Fix NULL pointer dereference in adding ancillary links\\n\\nIn v4l2_async_create_ancillary_links(), ancillary links are created for\\nlens and flash sub-devices. These are sub-device to sub-device links and\\nif the async notifier is related to a V4L2 device, the source sub-device\\nof the ancillary link is NULL, leading to a NULL pointer dereference.\\nCheck the notifier\u0027s sd field is non-NULL in\\nv4l2_async_create_ancillary_links().\\n\\n[Sakari Ailus: Reword the subject and commit messages slightly.]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.103\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.44\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.3\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"5.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:30:41.758Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-43833\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:30:41.758Z\", \"dateReserved\": \"2024-08-17T09:11:59.273Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-17T09:21:50.890Z\", \"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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.