Bug 2334804 (CVE-2024-56752) - CVE-2024-56752 kernel: drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new()
Summary: CVE-2024-56752 kernel: drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_c...
Keywords:
Status: NEW
Alias: CVE-2024-56752
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-12-29 12:01 UTC by OSIDB Bzimport
Modified: 2024-12-30 06:07 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2024-12-29 12:01:07 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new()

When the call to gf100_grctx_generate() fails, unlock gr->fecs.mutex
before returning the error.

Fixes smatch warning:

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100_gr_chan_new() warn: inconsistent returns '&gr->fecs.mutex'.
Comment 1 Avinash Hanwate 2024-12-30 06:04:42 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122927-CVE-2024-56752-09d2@gregkh/T
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