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CVE-2024-26662

medium

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()' 'panel_c…

Vendor / product: Linux — linux kernel

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()' 'panel_cntl' structure used to control the display panel could be null, dereferencing it could lead to a null pointer access. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed 'panel_cntl' could be null (see line 250)

CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2024-04-02 07:15
Modified: 2026-10-30 13:17
NVD status: Modified
Last synced 3 days ago
Verified against the source API 2026-10-30 13:38 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

linux / linux_kernel ≥5.9 <6.6.17, ≥6.7 <6.7.5, 6.8

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5
Patch / mitigation: https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d
Patch / mitigation: https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b
Patch / mitigation: https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5
Patch / mitigation: https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d
Patch / mitigation: https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-30 13:38 UTC · record ↗

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