Medium 5.5Published Apr 24, 2026

CVE-2026-31643rxrpc: Fix key parsing memleak

Updated under an hour ago (Oct 28, 2026, 4:10 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix key parsing memleak In rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be leaked in a few error paths after it's allocated. Fix this by freeing it in the "reject_token:" case.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 0ca100ff4df64f5d0f6c1dd5080c3e096786bea6 before d5f76f812d2c0ea6dd651b0586be49e85ecca085; from 0ca100ff4df64f5d0f6c1dd5080c3e096786bea6 before 01f51318feb626deee1d0c8a190198cd7857d599; from 0ca100ff4df64f5d0f6c1dd5080c3e096786bea6 before b555912b9b21075e8298015f888ffe3ff60b1a97	CNA record
linux linux_kernel linux:linux_kernel	from 6.16.1 before 6.18.23; from 6.19 before 6.19.13; 6.16; 7.0; 7.0; 7.0; 7.0; 7.0; and 2 more ranges	NVD

References

References

https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085	patch
https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599	patch
https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.