Unrated severityNVD Advisory· Published Oct 4, 2025· Updated Jan 5, 2026
ext2: Check block size validity during mount
CVE-2023-53569
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69cmitre
- git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584mitre
- git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71mitre
- git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0amitre
- git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001mitre
- git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193emitre
- git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1emitre
- git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5mitre
News mentions
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