DEBIAN-CVE-2025-68732
Record from OSV · Published December 24, 2025
In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix race in syncpt alloc/free Fix race condition between host1x_syncpt_alloc() and host1x_syncpt_put() by using kref_put_mutex() instead of kref_put() + manual mutex locking. This ensures no thread can acquire the syncpt_mutex after the refcount drops to zero but before syncpt_release acquires it. This prevents races where syncpoints could be allocated while still being cleaned up from a previous release. Remove explicit mutex locking in syncpt_release as kref_put_mutex() handles this atomically.
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 | 6.12.63-1 |
| linux | Debian:12 | 6.1.162-1 |
| linux | Debian:14 | 6.17.13-1 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:12 | linux | 6.1.128-1, 6.1.129-1, 6.1.133-1 |
| Debian:14 | linux | 6.15.4-1~exp1, 6.15.5-1~exp1, 6.15.6-1~exp1 |
Timeline
- Dec 24, 2025 CVE Published
- Oct 14, 2026 CVE Updated
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