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High severity8.2NVD Advisory· Published Apr 24, 2026· Updated Apr 27, 2026

CVE-2026-31631

CVE-2026-31631

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.

Affected products

9
  • Linux/Kernel9 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 8 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.16.1,<6.18.23
    • cpe:2.3:o:linux:linux_kernel:6.16:-:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

News mentions

0

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