References to Advisories, Solutions, and Tools

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Change History

https://git.kernel.org/stable/c/0a46ef234756dca04623b7591e8ebb3440622f0b

https://git.kernel.org/stable/c/111103907234bffd0a34fba070ad9367de058752

kernel.org https://git.kernel.org/stable/c/0752e7fb549d90c33b4d4186f11cfd25a556d1dd [No types assigned]

kernel.org https://git.kernel.org/stable/c/737fb7853acd5bc8984f6f42e4bfba3334be8ae1 [No types assigned]

In the Linux kernel, the following vulnerability has been resolved:

ext4: do not create EA inode under buffer lock

ext4_xattr_set_entry() creates new EA inodes while holding buffer lock
on the external xattr block. This is problematic as it nests all the
allocation locking (which acquires locks on other buffers) under the
buffer lock. This can even deadlock when the filesystem is corrupted and
e.g. quota file is setup to contain xattr block as data block. Move the
allocation of EA inode out of

kernel.org https://git.kernel.org/stable/c/0a46ef234756dca04623b7591e8ebb3440622f0b [No types assigned]

kernel.org https://git.kernel.org/stable/c/111103907234bffd0a34fba070ad9367de058752 [No types assigned]