CVE-2026-31631

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-31631
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31631.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-31631
Downstream
Published
2026-04-24T14:44:47.305Z
Modified
2026-07-15T01:48:58.800442591Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVSS Calculator
Summary
rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()
Details

In the Linux kernel, the following vulnerability has been resolved:

rxrpc: Fix buffer overread in rxgkdoverify_authenticator()

Fix rxgkdoverify_authenticator() to check the buffer size before checking the nonce.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31631.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a
Fixed
794586789800b16dcbe235452494f4223ac80413
Fixed
1c4422d8be81718ecb15d79aedff607323085201
Fixed
f564af387c8c28238f8ebc13314c589d7ba8475d

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31631.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.16.0
Fixed
6.18.23
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
6.19.13

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31631.json"