CVE-2024-50144

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Source
https://nvd.nist.gov/vuln/detail/CVE-2024-50144
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-50144.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-50144
Downstream
Related
Published
2024-11-07T09:31:21Z
Modified
2025-10-15T01:54:09.446604Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
drm/xe: fix unbalanced rpm put() with fence_fini()
Details

In the Linux kernel, the following vulnerability has been resolved:

drm/xe: fix unbalanced rpm put() with fence_fini()

Currently we can call fence_fini() twice if something goes wrong when sending the GuC CT for the tlb request, since we signal the fence and return an error, leading to the caller also calling fini() on the error path in the case of stack version of the flow, which leads to an extra rpm put() which might later cause device to enter suspend when it shouldn't. It looks like we can just drop the fini() call since the fence signaller side will already call this for us.

There are known mysterious splats with device going to sleep even with an rpm ref, and this could be one candidate.

v2 (Matt B): - Prefer warning if we detect double fini()

(cherry picked from commit cfcbc0520d5055825f0647ab922b655688605183)

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f002702290fccbd473f5bb94e52f25c96917fff2
Fixed
046bd018c0123b1a49c22abed5f9ea31d1454c78
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f002702290fccbd473f5bb94e52f25c96917fff2
Fixed
03a86c24aea0920a1ca20a0d7771d5e176db538d

Affected versions

v6.*

v6.11
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.11.1
v6.11.2
v6.11.3
v6.11.4
v6.11.5
v6.12-rc1
v6.12-rc2
v6.12-rc3

Database specific

vanir_signatures

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Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.11.0
Fixed
6.11.6