What is CVE-2026-45853?

CVE-2026-45853 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-05-27.

How severe is CVE-2026-45853?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Linux

CVE-2026-45853

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…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions b194d21b9bcc15b50df1bc3ff7428e51c2918a6f, 6.11, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-45853?: CVE-2026-45853 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-05-27.
How severe is CVE-2026-45853?: High severity. CVSS v3 base score is 7.8 out of 10.