PT-2024-11206 · Linux · Linux Kernel

Published 2021-05-24 · Updated 2024-12-12 · CVE-2021-47158

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 the Linux kernel, where a vulnerability has been resolved by adding error handling in the sja1105 setup() function. If any of the sja1105 static config load(), sja1105 clocking setup(), or sja1105 devlink setup() functions fail, it could lead to memory leaks. A cleanup path has been added to prevent this.

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:2025-07362

CVE-2021-47158

Affected Products

Linux Kernel

References · 19

• https://ubuntu.com/security/CVE-2021-47158 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47158 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47158 · Vendor Advisory
• https://git.kernel.org/stable/c/dd8609f203448ca6d58ae71461208b3f6b0329b0 · Patch
• https://git.kernel.org/stable/c/987e4ab8b8a4fcbf783069e03e7524cd39ffd563 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47158 · Vendor Advisory
• https://git.kernel.org/stable/c/cec279a898a3b004411682f212215ccaea1cd0fb · Patch
• https://bdu.fstec.ru/vul/2025-07362 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-47158 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47158 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47158 · Vendor Advisory
• https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=dd8609f203448ca6d58ae71461208b3f6b0329b0 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9 · Note
• https://t.me/cvenotify/74565 · Telegram Post
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42 · Note