CVE-2022-49637

MediumCVSS 4.7/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ipv4: Fix a data-race around sysctl_fib_sync_mem.

While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-362

Affected software

VendorProductVersions
LinuxLinux>= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f, < 7c1acd98fb221dc0d847451b9ab86319f8b9916c; >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f, < 418b191d5f223a8cb6cab09eae1f72c04ba6adf2; >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f, < 9be8aac91960ea32fd0e874758c9afee665c57d2; >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f, < 190cd4ff128373271e065afb20f1d2247b3f10c3; >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f, < 73318c4b7dbd0e781aaababff17376b2894745c0
LinuxLinux5.2

References

Timeline

Published
Feb 26, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-49637: Medium severity, CVSS 4.7 | Vulnix