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CVE-2014-5045

CVE-2014-5045

EPSS 0.5%
The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.
Produtos afetados
n/a · n/a

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Referências
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=295dc39d941dc2ae53d5c170365af4c9d5c16212http://rhn.redhat.com/errata/RHSA-2015-0062.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1122472http://secunia.com/advisories/60353https://github.com/torvalds/linux/commit/295dc39d941dc2ae53d5c170365af4c9d5c16212http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8http://www.openwall.com/lists/oss-security/2014/07/24/2http://www.securityfocus.com/bid/68862