CVE-2023-53569
ext2: Check block size validity during mount
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Description
In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.
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/0ebfaf14150f55550cffb1148ed3920143c7a69c
- https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71
- https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e
- https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584
- https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001
References (8)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
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