Description

The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ee6f958291e2a768fd727e7a67badfff0b67711a

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22

http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html

http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html

http://secunia.com/advisories/30982

http://secunia.com/advisories/31551

http://secunia.com/advisories/31614

http://secunia.com/advisories/32023

http://secunia.com/advisories/32759

http://www.debian.org/security/2008/dsa-1630

http://www.openwall.com/lists/oss-security/2008/07/08/3

http://www.openwall.com/lists/oss-security/2008/07/08/4

http://www.redhat.com/support/errata/RHSA-2008-0885.html

http://www.securityfocus.com/bid/30126

https://bugzilla.redhat.com/show_bug.cgi?id=454388

https://exchange.xforce.ibmcloud.com/vulnerabilities/43696

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437

https://usn.ubuntu.com/637-1/

Details

Risk Information

CVSS v2

CVSS v3