CVE-2023-53248

Summary

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

drm/amdgpu: install stub fence into potential unused fence pointers

When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when calling dma_fence_wait() on them.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 78b25110eb8c6990f7f5096bc0136c12a2b4cc99affected
LinuxLinuxd38ceaf99ed015f2a0b9af3499791bd3a3daae21 < aa9e9ba5748c524eb0925a2ef6984b78793646d6affected
LinuxLinuxd38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0affected
LinuxLinux4.2affected
LinuxLinux0 < 4.2unaffected
LinuxLinux6.1.47 <= 6.1.*unaffected
LinuxLinux6.4.12 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References