What is CVE-2026-53188?

CVE-2026-53188 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-06-25.

How severe is CVE-2026-53188?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Linux

CVE-2026-53188

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ib_get_ucaps() Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a blo…

EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions 61e51682816d395307f78ae06d640089054c28ab, 6.15, 0
Linux Linux_kernel — versions 7.1

References

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

Frequently asked questions

What is CVE-2026-53188?: CVE-2026-53188 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-06-25.
How severe is CVE-2026-53188?: High severity. CVSS v3 base score is 8.8 out of 10.