CVE-2021-47539

Published: May 24, 2024Modified: Sep 18, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle() Need to call rxrpc_put_peer() for bundle candidate before kfree() as it holds a ref to rxrpc_peer. [DH: v2: Changed to abstract out the bundle freeing code into a function]

Affected (5)

Products: Linux: Linux Kernel

1 product

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.10 to 5.10.84
Linux Linux Kernel	From 5.11 to 5.15.7
Linux Linux Kernel	Version 5.16 rc1
Linux Linux Kernel	Version 5.16 rc2
Linux Linux Kernel	Version 5.16 rc3

Related CWEs

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (6)

https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

Timeline

No history available yet.