CVE-2026-74432

rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)

N/A

Published: August 15, 2026 at 05:59 AM UTC

Updated: October 30, 2026 at 01:19 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsg(MSG_PEEK) Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not).

Affected

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

Linux Kernel · Linux

90%

4aed0eeca58e26d752bb08b293b8dc75c6820b235.10.266 6.1.191 6.12.40 6.15.8 6.16 6.6.1006c75a97a32a5fa2060c3dd30207e63b6914b606d7692bde890061797f3dece0148d7859e85c55778839fe96c15209dc2255c064bb44b636efe04f032962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbccb720b068b18fb39c96980eb3c13f09427512be7

Vendor states this is fixed in 04c7103dc0923cc6ac95b97aa66bab70da7ace84 (fixed)

Vendor states this is fixed in 2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5 (fixed)

Vendor states this is fixed in 4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c (fixed)

Vendor states this is fixed in 86eff3140c9d4b52bba13d1cba266da933403e51 (fixed)

Vendor states this is fixed in e473cd3046a1aaec1e39af5df2042ce7c04d5e74 (fixed)

Affected range stops below 5.11, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 6.12.97 (unaffected)

Vendor states this is fixed in 6.16 (unaffected)

Vendor states this is fixed in 6.18.40 (unaffected)

Vendor states this is fixed in 6.6.145 (unaffected)

Vendor states this is fixed in 7.1.5 (unaffected)

Vendor states this is fixed in 7.2 (unaffected)