PT-2025-8069 · Linux+1 · Linux Kernel+1

Zheng Yongjun · Published 2025-02-26 · Updated 2025-03-03 · CVE-2022-49141

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 A potential NULL pointer dereference issue has been identified in the Linux kernel, specifically in the net: dsa: felix component. This issue arises when kzalloc() fails to allocate memory and returns a NULL pointer. To prevent the dereference of a NULL pointer, it is recommended to check the sgi variable.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-49141

Affected Products

Astra Linux

Linux Kernel

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49141.json · Exploit
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=158612043 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49141 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49141 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49141 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49141 · Security Note
• https://git.kernel.org/stable/c/866b7a278cdb51eb158cd8513bc7438fc857804a · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49141 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49141 · Vendor Advisory
• https://git.kernel.org/stable/c/b7ff8b5e75d4e91ec8c62d621aac8dfb84c57aa9 · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-49141 · Vendor Advisory
• https://twitter.com/CVEnew/status/1896414972596609214 · Twitter Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/linus/866b7a278cdb51eb158cd8513bc7438fc857804a · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-49141 · Note