CVE-2026-72327
Description
In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Reject invalid indirect BO handle in indirect CSD setup v3d_get_cpu_indirect_csd_params() looks up the indirect buffer object from a userspace-supplied handle but never checks the result. A bogus or stale handle makes drm_gem_object_lookup() return NULL, which is then stored in info->indirect and only dereferenced later when the indirect CSD job runs, turning a userspace mistake into a NULL pointer dereference in the kernel. Bail out with -ENOENT as soon as the lookup fails, so the bad handle is rejected at submission time.
How to fix
- Linux Linux7c27f630dc78b673e136cab7d410399a1c52146a, 762116dfa72865c82151970960f7cf34f44b21c8, 5d65dade4d84913d1879f3db6a12ac007e08314b, 2f8b8593c7832fad655290cef9e99af05b1b52b3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 18b8413b25b7070fa2e55858a2c808e6909581d0 ≤ v < 7c27f630dc78b673e136cab7d410399a1c52146a, 18b8413b25b7070fa2e55858a2c808e6909581d0 ≤ v < 762116dfa72865c82151970960f7cf34f44b21c8, 18b8413b25b7070fa2e55858a2c808e6909581d0 ≤ v < 5d65dade4d84913d1879f3db6a12ac007e08314b, 18b8413b25b7070fa2e55858a2c808e6909581d0 ≤ v < 2f8b8593c7832fad655290cef9e99af05b1b52b3, 6.8 | 7c27f630dc78b673e136cab7d410399a1c52146a, 762116dfa72865c82151970960f7cf34f44b21c8, 5d65dade4d84913d1879f3db6a12ac007e08314b, 2f8b8593c7832fad655290cef9e99af05b1b52b3 |
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