CVE-2024-41008 Affecting kernel-rt-debug-debuginfo package, versions <0:4.18.0-553.22.1.rt7.363.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTDEBUGDEBUGINFO-8135690
  • published1 Oct 2024
  • disclosed16 Jul 2024

Introduced: 16 Jul 2024

CVE-2024-41008  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-debug-debuginfo to version 0:4.18.0-553.22.1.rt7.363.el8_10 or higher.
This issue was patched in RLSA-2024:7001.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-debuginfo package and not the kernel-rt-debug-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

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

drm/amdgpu: change vm->task_info handling

This patch changes the handling and lifecycle of vm->task_info object. The major changes are:

  • vm->task_info is a dynamically allocated ptr now, and its uasge is reference counted.
  • introducing two new helper funcs for task_info lifecycle management
    • amdgpu_vm_get_task_info: reference counts up task_info before returning this info
    • amdgpu_vm_put_task_info: reference counts down task_info
  • last put to task_info() frees task_info from the vm.

This patch also does logistical changes required for existing usage of vm->task_info.

V2: Do not block all the prints when task_info not found (Felix)

V3: Fixed review comments from Felix

  • Fix wrong indentation
  • No debug message for -ENOMEM
  • Add NULL check for task_info
  • Do not duplicate the debug messages (ti vs no ti)
  • Get first reference of task_info in vm_init(), put last in vm_fini()

V4: Fixed review comments from Felix

  • fix double reference increment in create_task_info
  • change amdgpu_vm_get_task_info_pasid
  • additional changes in amdgpu_gem.c while porting

CVSS Scores

version 3.1