// For flags

CVE-2024-38390

drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails

Calling a6xx_destroy() before adreno_gpu_init() leads to a null pointer
dereference on:

msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);

as gpu->pdev is only assigned in:

a6xx_gpu_init()
|_ adreno_gpu_init
|_ msm_gpu_init()

Instead of relying on handwavy null checks down the cleanup chain,
explicitly de-allocate the LLC data and free a6xx_gpu instead.

Patchwork: https://patchwork.freedesktop.org/patch/588919/

*Credits: N/A
CVSS Scores
Attack Vector
-
Attack Complexity
-
Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-21 CVE Reserved
  • 2024-06-21 CVE Published
  • 2024-09-10 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
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>= 6.1 < 6.1.93
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1 < 6.1.93"
en
Affected
Linux
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Linux Kernel
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>= 6.1 < 6.6.33
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1 < 6.6.33"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 6.1 < 6.9.4
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1 < 6.9.4"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.1 < 6.10
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1 < 6.10"
en
Affected
Linux
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Linux Kernel
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6.0.10
Search vendor "Linux" for product "Linux Kernel" and version "6.0.10"
en
Affected