CVE-2022-48654
netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()
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Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.
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/559c36c5a8d730c49ef805a72b213d3bba155cc8
- https://git.kernel.org/stable/c/5d75fef3e61e797fab5c3fbba88caa74ab92ad47
- https://git.kernel.org/stable/c/633c81c0449663f57d4138326d036dc6cfad674e
- https://git.kernel.org/stable/c/721ea8ac063d70c2078c4e762212705de6151764
- https://git.kernel.org/stable/c/816eab147e5c6f6621922b8515ad9010ceb1735e
References (5)
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
- HIGH
- Integrity
- NONE
- Availability
- NONE
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