CVE-2023-52677
riscv: Check if the code to patch lies in the exit section
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Description
In the Linux kernel, the following vulnerability has been resolved: riscv: Check if the code to patch lies in the exit section Otherwise we fall through to vmalloc_to_page() which panics since the address does not lie in the vmalloc region.
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/1d7a03052846f34d624d0ab41a879adf5e85c85f
- https://git.kernel.org/stable/c/420370f3ae3d3b883813fd3051a38805160b2b9f
- https://git.kernel.org/stable/c/890cfe5337e0aaf03ece1429db04d23c88da72e7
- https://git.kernel.org/stable/c/8db56df4a954b774bdc68917046a685a9fa2e4bc
- https://git.kernel.org/stable/c/938f70d14618ec72e10d6fcf8a546134136d7c13
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
- NONE
- Integrity
- NONE
- Availability
- HIGH
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