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Candidate: CVE-2009-0748
Description:
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel
2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate
the superblock configuration, which allows local users to cause a
denial of service (NULL pointer dereference and OOPS) by attempting
to mount a crafted ext4 filesystem.
References:
Ubuntu-Description:
Notes:
jmm> ext4 is marked as experimental and the vulnerability fairly
jmm> obscure, I don't think we should spend energy on this. Dann,
jmm> if you don't object I'll mark this as "unimportant" in the
jmm> security tracker
Bugs:
upstream: released (2.6.28.7, 2.6.29-rc1))
linux-2.6: released (2.6.29-1)
2.6.18-etch-security: N/A
2.6.24-etch-security: ignored "code has changed - likely vulnerable, but not important enough to port"
2.6.26-lenny-security: released (2.6.26-13lenny2) [bugfix/all/ext4-add-sanity-checks-for-the-superblock-before-mounting.patch]
2.6.15-dapper-security:
2.6.22-gutsy-security:
2.6.24-hardy-security:
2.6.27-intrepid-security:
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