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CVE-2024-49910drm/amd/display: Add NULL check for function pointer in dcn401_set_output_transfer_func

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for function pointer in dcn401_set_output_transfer_func This commit adds a null check for the set_output_gamma function pointer in the dcn401_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.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 19 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2024-49910, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.21% · top 89% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

  • Linux · Linux

    • affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – < d8ee900b92b6526cf84275b49a473155ad75c70e
    • affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – < dd340acd42c24a3f28dd22fae6bf38662334264c

  • Linux · Linux

    • affected 4.15
    • unaffected < 4.15
    • unaffected 6.11.3 – ≤ 6.11.*
    • unaffected 6.12 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .