CVE-2022-49637

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Source
https://cve.org/CVERecord?id=CVE-2022-49637
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49637.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49637
Downstream
Published
2025-02-26T02:23:46.711Z
Modified
2026-04-02T08:27:46.970257Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
ipv4: Fix a data-race around sysctl_fib_sync_mem.
Details

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

ipv4: Fix a data-race around sysctlfibsync_mem.

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

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49637.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f
Fixed
7c1acd98fb221dc0d847451b9ab86319f8b9916c
Fixed
418b191d5f223a8cb6cab09eae1f72c04ba6adf2
Fixed
9be8aac91960ea32fd0e874758c9afee665c57d2
Fixed
190cd4ff128373271e065afb20f1d2247b3f10c3
Fixed
73318c4b7dbd0e781aaababff17376b2894745c0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49637.json"