VulnerabilityModified

CVE-2022-49637

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem.

MEDIUM 4.7EPSS 0.18%

Does this matter?

Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.18% probability · 7th percentile
CISA KEV: Not listed
Weakness: CWE-362
Affected: linux/linux kernel
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

References

https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3Patch
https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2Patch
https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0Patch
https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916cPatch
https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2Patch

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.