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CVE Vulnerability Details :
CVE-2026-45853
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-27 May, 2026 | 12:15
Updated At-27 May, 2026 | 12:15
Rejected At-
▼CVE Numbering Authority (CNA)
drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges() amdgpu_discovery_get_nps_info() internally allocates memory for ranges using kvcalloc(), which may use vmalloc() for large allocation. Using kfree() to release vmalloc memory will lead to a memory corruption. Use kvfree() to safely handle both kmalloc and vmalloc allocations. Compile tested only. Issue found using a prototype static analysis tool and code review.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
Default Status
unaffected
Versions
Affected
  • From b194d21b9bcc15b50df1bc3ff7428e51c2918a6f before 16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e (git)
  • From b194d21b9bcc15b50df1bc3ff7428e51c2918a6f before 9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5 (git)
  • From b194d21b9bcc15b50df1bc3ff7428e51c2918a6f before f441538893eba6347b983f2904819ca6c99da65e (git)
  • From b194d21b9bcc15b50df1bc3ff7428e51c2918a6f before 0c44d61945c4a80775292d96460aa2f22e62f86c (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
Default Status
affected
Versions
Affected
  • 6.11
Unaffected
  • From 0 before 6.11 (semver)
  • From 6.12.75 through 6.12.* (semver)
  • From 6.18.14 through 6.18.* (semver)
  • From 6.19.4 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://git.kernel.org/stable/c/16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e
N/A
https://git.kernel.org/stable/c/9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5
N/A
https://git.kernel.org/stable/c/f441538893eba6347b983f2904819ca6c99da65e
N/A
https://git.kernel.org/stable/c/0c44d61945c4a80775292d96460aa2f22e62f86c
N/A
Hyperlink: https://git.kernel.org/stable/c/16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/f441538893eba6347b983f2904819ca6c99da65e
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/0c44d61945c4a80775292d96460aa2f22e62f86c
Resource: N/A
Details not found