PT-2025-8529 · Linux+2 · Linux Kernel+2

Kuniyuki Iwashima · Published 2023-05-09 · Updated 2025-02-27 · CVE-2022-49596

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 tcp min snd mss variable. This issue occurs because the variable can be changed concurrently while being read, potentially leading to inconsistent results. To address this, the use of READ ONCE() is necessary for readers of sysctl tcp min snd mss.

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-2022-49596

RHSA-2023:2458

RHSA-2023_2458

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49596.json · Exploit
• https://git.kernel.org/stable/c/97992e8feff33b3ae154a113ec398546bbacda80 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49596 · Security Note
• https://git.kernel.org/stable/c/78eb166cdefcc3221c8c7c1e2d514e91a2eb5014 · Patch
• https://osv.dev/vulnerability/CVE-2022-49596 · Vendor Advisory
• https://git.kernel.org/stable/c/fdb96b69f5909ffcdd6f1e0902219fc6d7689ff7 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49596 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49596 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49596 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49596 · Vendor Advisory
• https://git.kernel.org/stable/c/0fc9357282df055e30990b29f4b7afa53ab42cdb · Patch
• https://ubuntu.com/security/CVE-2022-49596 · Vendor Advisory
• https://git.kernel.org/stable/c/0d8a39feb58910a7f7746b1770ee5578cc551fe6 · Patch
• https://twitter.com/CVEnew/status/1894867743004074334 · Twitter Post
• https://git.kernel.org/linus/78eb166cdefcc3221c8c7c1e2d514e91a2eb5014 · Note