PT-2025-8533 · Linux+2 · Linux Kernel+2

Kuniyuki Iwashima · Published 2023-05-09 · Updated 2025-03-11 · CVE-2022-49600

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 around sysctl ip autobind reuse in the Linux kernel. The value of sysctl ip autobind reuse can be changed concurrently while it is being read, which requires the use of READ ONCE() to ensure a consistent view of its value.

Recommendations To resolve this issue, apply the fix that adds READ ONCE() to the reader of sysctl ip autobind reuse. 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-2022-49600

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-2022-49600.json · Exploit
• https://git.kernel.org/stable/c/fa7cdcf9b28d13aac1eeb34b948db8a18e041341 · Patch
• https://osv.dev/vulnerability/CVE-2022-49600 · Vendor Advisory
• https://git.kernel.org/stable/c/87ceaa199a72c5856d49a030941fabcd5c3928d4 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49600 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49600 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49600 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49600 · Vendor Advisory
• https://git.kernel.org/stable/c/0db232765887d9807df8bcb7b6f29b2871539eab · Patch
• https://git.kernel.org/stable/c/611ba70e5aca252ef43374dda97ed4cf1c47a07c · Patch
• https://ubuntu.com/security/CVE-2022-49600 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49600 · Vendor Advisory
• https://lore.kernel.org/linux-cve-announce/2025022611-CVE-2022-49600-9d38@gregkh/T · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/linus/0db232765887d9807df8bcb7b6f29b2871539eab · Note