CVE-2021-47252
batman-adv: Avoid WARN_ON timing related checks
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Description
In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid WARN_ON timing related checks The soft/batadv interface for a queued OGM can be changed during the time the OGM was queued for transmission and when the OGM is actually transmitted by the worker. But WARN_ON must be used to denote kernel bugs and not to print simple warnings. A warning can simply be printed using pr_warn.
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/282baa8104af44e04c4af3e7f933b44267c7f86f
- https://git.kernel.org/stable/c/2eb4e0b3631832a4291c8bf4c9db873f60b128c8
- https://git.kernel.org/stable/c/45011f2973f6b52cf50db397bb27bf805f5f0e7f
- https://git.kernel.org/stable/c/6031daaaf6d5c359c99dfffa102e332df234ff09
- https://git.kernel.org/stable/c/77a99aad5bc3ea105806ebae6be3cbadc2fc615e
References (8)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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