CVE-2026-74416drm/radeon: fix memory leak in radeon_ring_restore() on lock failure
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix memory leak in radeon_ring_restore() on lock failure radeon_ring_restore() takes ownership of the data buffer allocated by radeon_ring_backup(). The caller (radeon_gpu_reset()) only frees it in the non-restore branch; in the restore branch it relies on radeon_ring_restore() to free it. If radeon_ring_lock() fails, the function returned early without calling kvfree(data), leaking the ring backup buffer on every GPU reset that fails at the lock stage. During repeated GPU resets this causes cumulative kernel memory exhaustion. Free data before returning the error.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 55d7c22192becd0ec827a6901899ff56fa985658 before 63912418f1fbb6456ea04bbcdf8f4d5090d23350; from 55d7c22192becd0ec827a6901899ff56fa985658 before 919e3e398bf301c6418dffdcd5e5c4fd9be39cf7; 55d7c22192becd0ec827a6901899ff56fa985658 builds before 07c213f3499dd72e2922c1c73fe9ffea24874bef; 55d7c22192becd0ec827a6901899ff56fa985658 builds before 1c9ba32308c02c198c378fcdf06be9ffc3111147; from 55d7c22192becd0ec827a6901899ff56fa985658 before eecfb76129ebef7e3aa41e18a4668cd91dfc6267; 55d7c22192becd0ec827a6901899ff56fa985658 builds before 06dc892561f5a08b2493c34c8ec2cb94dea33159; from 55d7c22192becd0ec827a6901899ff56fa985658 before ccc42187fc2d0720947a63ce1b9e399d2c068ff4; from 55d7c22192becd0ec827a6901899ff56fa985658 before 82f1d6042611d45b8b9de423bbcb4e0ced9ec62b | CNA record |
References
- https://git.kernel.org/stable/c/63912418f1fbb6456ea04bbcdf8f4d5090d23350
- https://git.kernel.org/stable/c/919e3e398bf301c6418dffdcd5e5c4fd9be39cf7
- https://git.kernel.org/stable/c/07c213f3499dd72e2922c1c73fe9ffea24874bef
- https://git.kernel.org/stable/c/1c9ba32308c02c198c378fcdf06be9ffc3111147
- https://git.kernel.org/stable/c/eecfb76129ebef7e3aa41e18a4668cd91dfc6267
- https://git.kernel.org/stable/c/06dc892561f5a08b2493c34c8ec2cb94dea33159
- https://git.kernel.org/stable/c/ccc42187fc2d0720947a63ce1b9e399d2c068ff4
- https://git.kernel.org/stable/c/82f1d6042611d45b8b9de423bbcb4e0ced9ec62b
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.