CVE-2021-47538 - Vulnerability Details - OpenCVE

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]

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00021.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Linux	Linux Kernel

References

Link	Providers
https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a
https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1
https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce
https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c
https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29
https://lore.kernel.org/linux-cve-announce/2024052438-CVE-2021-47538-5639@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47538
https://www.cve.org/CVERecord?id=CVE-2021-47538

History

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'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-05-24T15:09:45.959Z

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

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

Link: CVE-2021-47538

Vulnrichment

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

NVD

Status : Awaiting Analysis

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

Modified: 2024-11-21T06:36:29.413

Link: CVE-2021-47538

Redhat

Severity : Low

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

Links: CVE-2021-47538 - Bugzilla

OpenCVE Enrichment

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

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