CVE-2022-49604
ip: Fix data-races around sysctl_ip_fwd_use_pmtu.
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Description
In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. While reading sysctl_ip_fwd_use_pmtu, 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/60c158dc7b1f0558f6cadd5b50d0386da0000d50
- https://git.kernel.org/stable/c/7828309df0f89419a9349761a37c7d1b0da45697
- https://git.kernel.org/stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364
- https://git.kernel.org/stable/c/b96ed5ccb09ae71103023ed13acefb194f609794
- https://git.kernel.org/stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc
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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