CVE-2026-31631

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < 794586789800b16dcbe235452494f4223ac80413affected
LinuxLinux9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < 1c4422d8be81718ecb15d79aedff607323085201affected
LinuxLinux9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < f564af387c8c28238f8ebc13314c589d7ba8475daffected
LinuxLinux6.16affected
LinuxLinux0 < 6.16unaffected
LinuxLinux6.18.23 <= 6.18.*unaffected
LinuxLinux6.19.13 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References