PT-2025-8566 · Linux+1 · Linux Kernel+1

Kuniyuki Iwashima · Published 2025-02-26 · Updated 2025-03-11 · CVE-2022-49633

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 icmp echo enable probe variable. This issue occurs because 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-2022-49633

Affected Products

Astra Linux

Linux Kernel

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49633.json · Exploit
• https://git.kernel.org/stable/c/05c615033174f1d19374f42285ccd8e9af13e427 · Patch
• https://git.kernel.org/stable/c/4a2f7083cc6cb72dade9a63699ca352fad26d1cd · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49633 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49633 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49633 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49633 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49633 · Security Note
• https://git.kernel.org/stable/c/cce955efa0ab81f7fb72e22beed372054c86005c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49633 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49633 · Vendor Advisory
• https://git.kernel.org/linus/4a2f7083cc6cb72dade9a63699ca352fad26d1cd · Note
• https://t.me/cvenotify/114380 · Telegram Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEnew/status/1894867704806568188 · Twitter Post