CVE-2026-31631
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < 794586789800b16dcbe235452494f4223ac80413 | affected |
| Linux | Linux | 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < 1c4422d8be81718ecb15d79aedff607323085201 | affected |
| Linux | Linux | 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < f564af387c8c28238f8ebc13314c589d7ba8475d | affected |
| Linux | Linux | 6.16 | affected |
| Linux | Linux | 0 < 6.16 | unaffected |
| Linux | Linux | 6.18.23 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.13 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/794586789800b16dcbe235452494f4223ac80413
- https://git.kernel.org/stable/c/1c4422d8be81718ecb15d79aedff607323085201
- https://git.kernel.org/stable/c/f564af387c8c28238f8ebc13314c589d7ba8475d
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