CVE-2022-49637
ipv4: Fix a data-race around sysctl_fib_sync_mem.
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3
- https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2
- https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0
- https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c
- https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2
References (5)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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