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RedhatCVELIST:CVE-2013-1858HistoryApr 05, 2013 - 9:00 p.m.
CVE-2013-1858
2013-04-0521:00:00
redhat
www.cve.org
The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e66eded8309ebf679d3d3c1f5820d1f2ca332c71
stealth.openwall.net/xSports/clown-newuser.c
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3
www.openwall.com/lists/oss-security/2013/03/14/6
bugzilla.redhat.com/show_bug.cgi?id=921448
github.com/torvalds/linux/commit/e66eded8309ebf679d3d3c1f5820d1f2ca332c71
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