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]
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 18 Sep 2025 16:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4:rc8:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Mon, 04 Nov 2024 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T12:41:39.406Z

Reserved: 2024-05-24T15:02:54.828Z

Link: CVE-2021-47538

cve-icon Vulnrichment

Updated: 2024-08-04T05:39:59.621Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-24T15:15:17.750

Modified: 2025-09-18T15:55:34.137

Link: CVE-2021-47538

cve-icon Redhat

Severity : Low

Publid Date: 2024-05-24T00:00:00Z

Links: CVE-2021-47538 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T22:16:13Z