What is CVE-2026-53145?

CVE-2026-53145 is a high-severity vulnerability in Linux, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2026-06-25.

How severe is CVE-2026-53145?

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

Vulnerability in Linux

CVE-2026-53145

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Try to fix change_handle ioctl, attempt 4 [airlied: just added some comments on how to reenable] On-list because the cat is out of the bag and we're clearly not…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (1.0th 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 672464dd53231509c9c771110798c56d4660e19e, 61bd96d3e5472c253f9c1ab77608f0c8aaa9d025, 5e28b7b94408897e41c63477aabc9e1db439bc8c
Linux Linux_kernel — versions 7.1
Redhat Enterprise_linux — versions 7.0, 8.0, 9.0

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)

Frequently asked questions

What is CVE-2026-53145?: CVE-2026-53145 is a high-severity vulnerability in Linux, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2026-06-25.
How severe is CVE-2026-53145?: High severity. CVSS v3 base score is 7.8 out of 10.