CVEvulnerability
CVE-2025-38467
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-07-25
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/exynos: exynos7_drm_decon: add vblank check in IRQ handling
If there's support for another console device (such as a TTY serial),
the kernel occasionally panics during boot. The panic message and a
relevant snippet of the call stack is as follows:
Unable to handle kernel NULL pointer dereference at virtual address 000000000000000
Call trace:
drm_crtc_handle_vblank+0x10/0x30 (P)
decon_irq_handler+0x88/0xb4
[...]
Otherwise, the panics don't happen. This indicates that it's some sort
of race condition.
Add a check to validate if the drm device can handle vblanks before
calling drm_crtc_handle_vblank() to avoid this.
Affected configurations
• linux linux kernel (>= 4.0 < 5.4.296)
• linux linux kernel (>= 5.5 < 5.10.240)
• linux linux kernel (>= 5.11 < 5.15.189)
• linux linux kernel (>= 5.16 < 6.1.146)
• linux linux kernel (>= 6.2 < 6.6.99)
• linux linux kernel (>= 6.7 < 6.12.39)
• linux linux kernel (>= 6.13 < 6.15.7)
• linux linux kernel 6.16
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/391e5ea5b877230b844c9bd8bbcd91b681b1ce2d Patch
- https://git.kernel.org/stable/c/87825fbd1e176cd5b896940f3959e7c9a916945d Patch
- https://git.kernel.org/stable/c/996740652e620ef8ee1e5c65832cf2ffa498577d Patch
- https://git.kernel.org/stable/c/a2130463fc9451005660b0eda7b61d5f746f7d74 Patch
- https://git.kernel.org/stable/c/a40a35166f7e4f6dcd4b087d620c8228922dcb0a Patch
- https://git.kernel.org/stable/c/b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7 Patch
- https://git.kernel.org/stable/c/b846350aa272de99bf6fecfa6b08e64ebfb13173 Patch
- https://git.kernel.org/stable/c/e9d9b25f376737b81f06de9c5aa422b488f47184 Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory