PT-2025-8531 · Linux+2 · Linux Kernel+2

Kuniyuki Iwashima · Published 2023-05-09 · Updated 2025-02-27 · CVE-2022-49598

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 sysctl tcp mtu probing. This issue occurs because the value of sysctl tcp mtu probing can be changed concurrently while it is being read. To address this, the use of READ ONCE() is necessary for its readers.

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-2022-49598

RHSA-2023:2458

RHSA-2023_2458

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49598.json · Exploit
• https://git.kernel.org/stable/c/f966773e13cdd3f12baa90071b7b660f6c633ccb · Patch
• https://git.kernel.org/stable/c/b0920ca09d9ce19980c8391b9002455baa9c1417 · Patch
• https://git.kernel.org/stable/c/f47d00e077e7d61baf69e46dde3210c886360207 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49598 · Vendor Advisory
• https://git.kernel.org/stable/c/aabe9438fdfe004e021d5a206227ec105dbe2416 · Patch
• https://git.kernel.org/stable/c/7e8fc428a7f680f1c4994a40e52d7f95a9a93038 · Patch
• https://osv.dev/vulnerability/CVE-2022-49598 · Vendor Advisory
• https://git.kernel.org/stable/c/77a04845f0d28a3561494a5f3121488470a968a4 · Patch
• https://ubuntu.com/security/CVE-2022-49598 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49598 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49598 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49598 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49598 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note