DEBIAN-CVE-2024-35952
Record from OSV · Published May 20, 2024
In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fix soft lockup There is a while-loop in ast_dp_set_on_off() that could lead to infinite-loop. This is because the register, VGACRI-Dx, checked in this API is a scratch register actually controlled by a MCU, named DPMCU, in BMC. These scratch registers are protected by scu-lock. If suc-lock is not off, DPMCU can not update these registers and then host will have soft lockup due to never updated status. DPMCU is used to control DP and relative registers to handshake with host's VGA driver. Even the most time-consuming task, DP's link training, is less than 100ms. 200ms should be enough.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:13 | 6.8.9-1 |
| linux | Debian:12 | 6.1.90-1 |
| linux | Debian:14 | 6.8.9-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0 |
| Debian:12 | linux | 0, 6.1.27-1, 6.1.37-1 |
| Debian:14 | linux | 0 |
Timeline
- May 20, 2024 CVE Published
- Sep 15, 2026 CVE Updated
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