PT-2025-8509 · Linux+1 · Linux Kernel+1

Ido Schimmel + 1 · Published 2025-02-26 · Updated 2025-02-27 · CVE-2022-49576

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:L/AC:H/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 data-race issue exists in the Linux kernel related to the sysctl fib multipath hash fields variable. The variable can be changed concurrently while being read, which requires the use of READ ONCE() to ensure data consistency.

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

Exploit

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2022-49576

Affected Products

Astra Linux

Linux Kernel

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49576.json · Exploit
• https://git.kernel.org/stable/c/8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49576 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49576 · Vendor Advisory
• https://git.kernel.org/stable/c/548d6678c4a3d43667e59686665f8674b82440a3 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49576 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49576 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49576 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49576 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49576 · Vendor Advisory
• https://git.kernel.org/stable/c/36f5b86f309b3b11295d087cd7433f1c897caf94 · Patch
• https://git.kernel.org/linus/8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc · Note
• https://twitter.com/CVEnew/status/1894895426089713850 · Twitter Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note