CVE-2026-46012

rxrpc: Fix memory leaks in rxkad_verify_response()

MEDIUM

5.5

CVSS Score

Published: May 27, 2026 at 12:56 PM UTC

Updated: June 17, 2026 at 10:52 AM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix memory leaks in rxkad_verify_response() Fix rxkad_verify_response() to free the ticket and the server key under all circumstances by initialising the ticket pointer to NULL and then making all paths through the function after the first allocation has been done go through a single common epilogue that just releases everything - where all the releases skip on a NULL pointer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.11 ≤ v < 6.12.865.11 ≤ v < 6.18.275.11 ≤ v < 6.6.1405.11 ≤ v < 7.0.45.11 ≤ v < 7.16.13 ≤ v < 6.18.276.19 ≤ v < 7.0.46.7 ≤ v < 6.12.865.11ec832bd06d6fdf08b0455ab7c2a7a9104e029638

Vendor states this is fixed in 34f61a07e0cdefaecd3ec03bb5fb22215643678f (fixed)

Vendor states this is fixed in 852b9d64cea421336579b2de3d1338dfa677e2dd (fixed)

Vendor states this is fixed in 861b9a0a1823bf064a7b810d29502a9ef043f40f (fixed)

Vendor states this is fixed in c4b8f32e73eafd4a5076be890c7c8506ec04567c (fixed)

Vendor states this is fixed in c91f33fb8356dedc82bc56ce210f1a5dbee62a52 (fixed)

Vendor states this is fixed in 5.11 (unaffected)

Vendor states this is fixed in 6.12.86 (unaffected)

Vendor states this is fixed in 6.18.27 (unaffected)

Vendor states this is fixed in 6.6.140 (unaffected)

Vendor states this is fixed in 7.0.4 (unaffected)

Vendor states this is fixed in 7.1 (unaffected)