CVE-2008-2931 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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/oval3Aorg.mitre.oval3Adef3A10437 https://usn.ubuntu.com/637-1/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8