CVE-2022-49580
ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.
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Description
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh. While reading sysctl_fib_multipath_use_neigh, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
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/14e996577ed2799a1ed6ffeb71c76d63acb28444
- https://git.kernel.org/stable/c/6727f39e99e0f545d815edebb6c94228485427ec
- https://git.kernel.org/stable/c/87507bcb4f5de16bb419e9509d874f4db6c0ad0f
- https://git.kernel.org/stable/c/b8d345db03b4deffb4f04219a51d3b1e94171b76
- https://git.kernel.org/stable/c/e045d672ba06e1d35bacb56374d350de0ac99066
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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