PT-2024-8980 · Linux+2 · Linux Kernel+2

Published 2024-05-24 · Updated 2025-01-06 · CVE-2021-47568

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 memory leak in the get file stream info() function of the ksmbd component in the Linux kernel. This memory leak occurs due to the lack of memory release after its effective term of service. Exploitation of this issue may allow an attacker to cause a denial of service.

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

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2024-10662

CVE-2021-47568

Affected Products

Astra Linux

Linux Kernel

Red Os

References · 14

• https://git.kernel.org/stable/c/178ca6f85aa3231094467691f5ea1ff2f398aa8d · Patch
• https://bdu.fstec.ru/vul/2024-10662 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47568 · Vendor Advisory
• https://git.kernel.org/stable/c/11e659827c3a2facb3a04e08cc97ff14d5091f51 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47568 · Security Note
• https://ubuntu.com/security/CVE-2021-47568 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47568 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47568 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47568 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47568 · Vendor Advisory
• https://redos.red-soft.ru/support/secure · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-kernel-lt-2711242 · Note
• https://lore.kernel.org/linux-cve-announce/2024052453-CVE-2021-47568-bf15@gregkh/T/#u · Note
• https://git.kernel.org/linus/178ca6f85aa3231094467691f5ea1ff2f398aa8d · Note