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CVE-2021-47538

nvd nist
Published: May 24, 2024Modified: Jun 17, 2026

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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_local leak in rxrpc_lookup_peer() Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local. [DH: v2: Changed to abstract the peer freeing code out into a function]

Affected (14)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
14 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
4.19.82 ≤ version < 4.19.220
Linux Kernel
5.11 ≤ version < 5.15.7
Linux Kernel
5.3.9 ≤ version < 5.4
Linux Kernel
5.4.1 ≤ version < 5.4.164
Linux Kernel
5.5 ≤ version < 5.10.84
Linux Kernel
Version 5.16 rc1
Linux Kernel
Version 5.16 rc2
Linux Kernel
Version 5.16 rc3
Linux Kernel
Version 5.4
Linux Kernel
Version 5.4 rc4
Linux Kernel
Version 5.4 rc5
Linux Kernel
Version 5.4 rc6
Linux Kernel
Version 5.4 rc7
Linux Kernel
Version 5.4 rc8

Related CWEs

CWE-401
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 (10)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

Timeline

No history available yet.