CVE-2026-31643 Details
Description
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.
A memory leak vulnerability has been identified in the Linux kernel's RxRPC implementation, specifically within the function 'rxrpc_preparse_xdr_yfs_rxgk()'. The issue arises when the memory associated with 'token->rxgk' is not properly freed in certain error scenarios after allocation. This vulnerability affects the Linux kernel stable tree.
The vulnerability has been addressed in the Linux kernel stable tree. Users can upgrade to the latest version to apply the fix.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599 | kernel.org | Patch |
| https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97 | kernel.org | Patch |
| https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-401 | Missing Release of Memory after Effective Lifetime | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 6.16.1, < 6.18.23 >= 6.19, < 6.19.13 6.16 - 7.0 rc1 7.0 rc2 7.0 rc3 7.0 rc4 7.0 rc5 7.0 rc6 7.0 rc7 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Apr 27, 2026 | Initial Analysis | [email protected] |
| Apr 24, 2026 | New CVE Received | kernel.org |