CVE-2024-49909 (GCVE-0-2024-49909)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:41
VLAI
EPSS
VEX
Title
drm/amd/display: Add NULL check for function pointer in dcn32_set_output_transfer_func
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add NULL check for function pointer in dcn32_set_output_transfer_func
This commit adds a null check for the set_output_gamma function pointer
in the dcn32_set_output_transfer_func function. Previously,
set_output_gamma was being checked for null, but then it was being
dereferenced without any null check. This could lead to a null pointer
dereference if set_output_gamma is null.
To fix this, we now ensure that set_output_gamma is not null before
dereferencing it. We do this by adding a null check for set_output_gamma
before the call to set_output_gamma.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:41 UTC
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
235c67634230b0f9ad8c0185272fed36c892b1c4 , < e087c9738ee1cdeebde346f4dfc819e5f7057e90
(git)
Affected: 235c67634230b0f9ad8c0185272fed36c892b1c4 , < f38b09ba6a335c511eb27920bb9bb4a1b2c20084 (git) Affected: 235c67634230b0f9ad8c0185272fed36c892b1c4 , < 496486950c3d2aebf46a3be300296ac091da7a2d (git) Affected: 235c67634230b0f9ad8c0185272fed36c892b1c4 , < 5298270bdabe97be5b8236e544c9e936415fe1f2 (git) Affected: 235c67634230b0f9ad8c0185272fed36c892b1c4 , < 28574b08c70e56d34d6f6379326a860b96749051 (git) |
guessed | |
| Linux | Linux |
Affected:
6.0
Unaffected: 0 , < 6.0 (semver) Unaffected: 6.1.120 , ≤ 6.1.* (semver) Unaffected: 6.6.64 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
guessed |
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"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-49909\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:41:51.958050Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:41:55.138Z\"}}], \"cna\": {\"title\": \"drm/amd/display: Add NULL check for function pointer in dcn32_set_output_transfer_func\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"235c67634230b0f9ad8c0185272fed36c892b1c4\", \"lessThan\": \"e087c9738ee1cdeebde346f4dfc819e5f7057e90\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"235c67634230b0f9ad8c0185272fed36c892b1c4\", \"lessThan\": \"f38b09ba6a335c511eb27920bb9bb4a1b2c20084\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"235c67634230b0f9ad8c0185272fed36c892b1c4\", \"lessThan\": \"496486950c3d2aebf46a3be300296ac091da7a2d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"235c67634230b0f9ad8c0185272fed36c892b1c4\", \"lessThan\": \"5298270bdabe97be5b8236e544c9e936415fe1f2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"235c67634230b0f9ad8c0185272fed36c892b1c4\", \"lessThan\": \"28574b08c70e56d34d6f6379326a860b96749051\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.0\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.0\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e087c9738ee1cdeebde346f4dfc819e5f7057e90\"}, {\"url\": \"https://git.kernel.org/stable/c/f38b09ba6a335c511eb27920bb9bb4a1b2c20084\"}, {\"url\": \"https://git.kernel.org/stable/c/496486950c3d2aebf46a3be300296ac091da7a2d\"}, {\"url\": \"https://git.kernel.org/stable/c/5298270bdabe97be5b8236e544c9e936415fe1f2\"}, {\"url\": \"https://git.kernel.org/stable/c/28574b08c70e56d34d6f6379326a860b96749051\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Add NULL check for function pointer in dcn32_set_output_transfer_func\\n\\nThis commit adds a null check for the set_output_gamma function pointer\\nin the dcn32_set_output_transfer_func function. Previously,\\nset_output_gamma was being checked for null, but then it was being\\ndereferenced without any null check. This could lead to a null pointer\\ndereference if set_output_gamma is null.\\n\\nTo fix this, we now ensure that set_output_gamma is not null before\\ndereferencing it. We do this by adding a null check for set_output_gamma\\nbefore the call to set_output_gamma.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.64\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-21T09:13:20.790Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-49909\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-21T09:13:20.790Z\", \"dateReserved\": \"2024-10-21T12:17:06.028Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:01:38.803Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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