CVE-2022-49594
tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.
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Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor. While reading sysctl_tcp_mtu_probe_floor, 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/033963b220633ed1602d458e7e4ac06afa9fefb2
- https://git.kernel.org/stable/c/8e92d4423615a5257d0d871fc067aa561f597deb
- https://git.kernel.org/stable/c/cc36c37f5fe066c4708e623ead96dc8f57224bf5
- https://git.kernel.org/stable/c/d5bece4df6090395f891110ef52a6f82d16685db
- https://git.kernel.org/stable/c/e2ecbf3f0aa88277d43908c53b99399d55729ff9
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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