CVE-2022-49638
Moderate
icmp: Fix data-races around sysctl.
In the Linux kernel, the following vulnerability has been resolved: icmp: Fix data-races around sysctl. While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.
Exploit probability
0.2%
Published
February 26, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-49638
View original source
In the Linux kernel, the following vulnerability has been resolved: icmp: Fix data-races around sysctl. While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0cba7ca667ceb06934746ddd9833a25847bde81d
- https://git.kernel.org/stable/c/1740e5922fbb705637ae9fa5203db132fc45f9f6
- https://git.kernel.org/stable/c/48d7ee321ea5182c6a70782aa186422a70e67e22
- https://git.kernel.org/stable/c/53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6
- https://git.kernel.org/stable/c/798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06
- https://git.kernel.org/stable/c/e088ceb73c24ab4774da391d54a6426f4bfaefce
- https://git.kernel.org/stable/c/e2828e8c605853f71267825c9415437c0a93e4f2
- https://git.kernel.org/stable/c/edeec63b13c252193d626c2a48d7a2f0e7016dc2
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49638.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49638