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CVE-2024-35953

accel/ivpu: Fix deadlock in context_xa

MEDIUM
5.5
CVSS Score
Published: May 20, 2024 at 09:41 AM 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: accel/ivpu: Fix deadlock in context_xa ivpu_device->context_xa is locked both in kernel thread and IRQ context. It requires XA_FLAGS_LOCK_IRQ flag to be passed during initialization otherwise the lock could be acquired from a thread and interrupted by an IRQ that locks it for the second time causing the deadlock. This deadlock was reported by lockdep and observed in internal tests.

Affected

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

Linux Kernel· Linux
95%
6.3 ≤ v < 6.6.286.3 ≤ v < 6.8.76.3 ≤ v < 6.96.7 ≤ v < 6.8.735b137630f08d913fc2e33df33ccc2570dff3f7d6.9 rc16.9 rc26.9 rc3
Vendor states this is fixed in d43e11d9c7fcb16f18bd46ab2556c2772ffc5775 (fixed)
Vendor states this is fixed in e6011411147209bc0cc14628cbc155356837e52a (fixed)
Vendor states this is fixed in fd7726e75968b27fe98534ccbf47ccd6fef686f3 (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.28 (unaffected)
Vendor states this is fixed in 6.8.7 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d43e11d9c7fcb16f18bd46ab2556c2772ffc5775
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e6011411147209bc0cc14628cbc155356837e52a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fd7726e75968b27fe98534ccbf47ccd6fef686f3

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
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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