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CVE-2023-53569

ext2: Check block size validity during mount

EPSS 0.1%
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 products
Linux · Linux

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References
https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69chttps://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0ahttps://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193ehttps://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1ehttps://git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5