CVE-2022-50306

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ext4: fix potential out of bound read in ext4_fc_replay_scan()<br /> <br /> For scan loop must ensure that at least EXT4_FC_TAG_BASE_LEN space. If remain<br /> space less than EXT4_FC_TAG_BASE_LEN which will lead to out of bound read<br /> when mounting corrupt file system image.<br /> ADD_RANGE/HEAD/TAIL is needed to add extra check when do journal scan, as this<br /> three tags will read data during scan, tag length couldn&amp;#39;t less than data length<br /> which will read.