What is CVE-2026-53151?

CVE-2026-53151 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-06-25.

How severe is CVE-2026-53151?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2026-53151

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix the ACK parser to extract the SACK table for parsing Fix modification of the received skbuff in rxrpc_input_soft_acks() and a potential incorrect access of th…

EPSS: 0.005 (37.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 6.18.36, 6.2, d57a3a151660902091491ac2633134e1be92557f
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)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53151?: CVE-2026-53151 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-06-25.
How severe is CVE-2026-53151?: Critical severity. CVSS v3 base score is 9.8 out of 10.