CVE-2022-49637

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
2026-08-12T03:51:33.232674370Z
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"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.2.0
Fixed
5.4.207
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.132
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.56
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.18.13

Database specific

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