ext4: fix bounds check in check_xattrs() to prevent out-of-bounds access

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ext4: reject mount if bigalloc with s_first_data_block != 0

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CVE-2022-50436

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set up encryption key during jbd2 transaction Commit a80f7fcf1867 "ext4: fixup ext4fctrack functions' signature" extended the scope of the transaction in ext4unlink too far, making it include the call to ext4findentry...

CVE-2023-53149

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

ext4: fix timer use-after-free on failed mount

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kernel: ext4: fix corruption during on-line resize

A vulnerability was found in the ext4 filesystem in the Linux kernel during on-line resizing operations. When an ext4 filesystem is resized while mounted, it could lead to data corruption...

CVE-2019-13106

Das U-Boot versions 2016.09 through 2019.07-rc4 can memset too much data while reading a crafted ext4 filesystem, which results in a stack buffer overflow and likely code execution...