CVE-2026-31631

HIGH EPSS 30.4%
Published Apr 24, 20262mo ago · Modified Jun 17, 20261w ago
8.2 CVSS 3.1
High
Find Similar
Published Apr 24, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix buffer overread in rxgk_do_verify_authenticator() Fix rxgk_do_verify_authenticator() to check the buffer size before checking the nonce.

CVSS Details

Base Score
8.2
Exploitability
3.9
Impact
4.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
30.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥6.16.1  –  <6.18.23
linuxlinux_kernel*≥6.19  –  <6.19.13
linuxlinux_kernel6.16any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/1c4422d8be81718ecb15d79aedff607323085201
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/794586789800b16dcbe235452494f4223ac80413
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f564af387c8c28238f8ebc13314c589d7ba8475d
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1c4422d8be81718ecb15d79aedff607323085201
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/794586789800b16dcbe235452494f4223ac80413
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f564af387c8c28238f8ebc13314c589d7ba8475d
    Patch