CVE-2022-49572
tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.
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Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_slow_start_after_idle. While reading sysctl_tcp_slow_start_after_idle, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
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/0e3f82a03ec8c3808e87283e12946227415706c9
- https://git.kernel.org/stable/c/369d99c2b89f54473adcf9acdf40ea562b5a6e0e
- https://git.kernel.org/stable/c/3b26e11b07a09b31247688bec61e2925d4a571b6
- https://git.kernel.org/stable/c/41aeba4506f6b70ec7500c6fe202731a4ba29fe5
- https://git.kernel.org/stable/c/4845b5713ab18a1bb6e31d1fbb4d600240b8b691
References (6)
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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