PT-2024-9058 · Linux+3 · Linux Kernel+3

Published 2024-05-24 · Updated 2024-11-26 · CVE-2021-47538

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)

Description: The issue is related to a leak in the rxrpc lookup peer() function, which holds a reference to rxrpc local. This leak can be exploited to cause a denial of service or potentially allow an attacker to access confidential information. The vulnerability is associated with the rxrpc component of the Linux kernel and involves functions such as rxrpc create peer(), rxrpc lookup peer(), rxrpc put peer(), and rxrpc put peer locked() in net/rxrpc/peer object.c.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Memory Leak

Weakness Enumeration

CWE-200

CWE-401

Related Identifiers

BDU:2024-10740

CVE-2021-47538

OESA-2024-1705

OPENSUSE-SU-2024_2185-1

OPENSUSE-SU-2024_2372-1

OPENSUSE-SU-2024_2394-1

SUSE-SU-2024:2010-1

SUSE-SU-2024:2183-1

SUSE-SU-2024:2185-1

SUSE-SU-2024:2372-1

SUSE-SU-2024:2394-1

SUSE-SU-2024:2939-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1633

• https://nvd.nist.gov/vuln/detail/CVE-2021-47538 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36924 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47409 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52754 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47538 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2024-1705 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52756 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52774 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2185-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2183-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47538 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52753 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36902 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47544 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47324 · Security Note