CVE-2024-35786

drm/nouveau: fix stale locked mutex in nouveau_gem_ioctl_pushbuf

MEDIUM
5.5
CVSS Score
Published: May 17, 2024 at 12:24 PM UTC
Updated: June 17, 2026 at 07:35 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix stale locked mutex in nouveau_gem_ioctl_pushbuf If VM_BIND is enabled on the client the legacy submission ioctl can't be used, however if a client tries to do so regardless it will return an error. In this case the clients mutex remained unlocked leading to a deadlock inside nouveau_drm_postclose or any other nouveau ioctl call.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.6 ≤ v < 6.6.246.6 ≤ v < 6.7.126.6 ≤ v < 6.86.7 ≤ v < 6.7.126.8 rc16.8 rc26.8 rc36.8 rc46.8 rc56.8 rc6b88baab828713ce0b49b185444b2ee83bed373a8
Vendor states this is fixed in b466416bdd6ecbde15ce987226ea633a0268fbb1 (fixed)
Vendor states this is fixed in c288a61a48ddb77ec097e11ab81b81027cd4e197 (fixed)
Vendor states this is fixed in daf8739c3322a762ce84f240f50e0c39181a41ab (fixed)
Vendor states this is fixed in 6.6 (unaffected)
Vendor states this is fixed in 6.6.24 (unaffected)
Vendor states this is fixed in 6.7.12 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b466416bdd6ecbde15ce987226ea633a0268fbb1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c288a61a48ddb77ec097e11ab81b81027cd4e197
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/daf8739c3322a762ce84f240f50e0c39181a41ab

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-667

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