CVE-2022-50428 ext4: fix off-by-one errors in fast-commit block filling

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one errors in fast-commit block filling Due to several different off-by-one errors, or perhaps due to a late change in design that wasn't fully reflected in the code that was actually merged, there are several ve...

CVE-2022-50428

CVE-2022-50428 affects the Linux kernel ext4 fast-commit journaling, caused by multiple off-by-one errors in filling tlv blocks. The issues constrain where tlvs start and end within a block, risking replay problems and memory leakage in last-byte handling. The fixed patch corrects block-filling o...