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CVE-2026-31631

high

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix buffer overread in rxgk_do_verify_authenticator() Fix rxgk_do_verify_authentic…

Vendor / product: Linux — linux kernel

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
8.2
8.2 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Severity source: NVD CVSS v3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
Timeline (UTC)
Published: 2026-04-24 15:16
Modified: 2026-11-11 23:10
NVD status: Modified
Last synced 3 hours ago
Verified against the source API 2026-11-11 23:13 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

linux / linux_kernel ≥6.16.1 <6.18.23, ≥6.19 <6.19.13, 6.16, 7.0

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

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

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-11 23:13 UTC · record ↗

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