ext2: Check block size validity during mount
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
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 · LinuxReferences
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