CVE-2008-2931
First published: Tue Jul 08 2008(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <2.6.22 | |
| Debian GNU/Linux | =4.0 | |
| SUSE Linux Enterprise Desktop | =10.0-sp1 | |
| SUSE Linux Enterprise Desktop | =10.0-sp2 | |
| SUSE Linux Enterprise Server | =10.0-sp1 | |
| SUSE Linux Enterprise Server | =10.0-sp2 | |
| openSUSE | >=10.3<=11.0 | |
| Ubuntu Linux | =6.06 | |
| Ubuntu Linux | =7.04 | |
| Ubuntu Linux | =7.10 | |
| Ubuntu Linux | =8.04 | |
| Linux kernel | <2.6.22 | |
| Debian | =4.0 | |
| Ubuntu | =6.06 | |
| Ubuntu | =7.04 | |
| Ubuntu | =7.10 | |
| Ubuntu | =8.04 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=311232&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=311232&action=edit
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ee6f958291e2a768fd727e7a67badfff0b67711a
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=311453&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=311453&action=edit
- https://bugzilla.redhat.com/show_bug.cgi?id=454388
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=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://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/
Frequently Asked Questions
What is the severity of CVE-2008-2931?
CVE-2008-2931 is considered a medium severity vulnerability due to its potential to allow privilege escalation.
How do I fix CVE-2008-2931?
To mitigate CVE-2008-2931, upgrade to a version of the Linux kernel that is 2.6.22 or later.
Who is affected by CVE-2008-2931?
Users running Linux kernel versions prior to 2.6.22, including certain distributions like Debian 4.0 and SUSE Linux Enterprise, are affected by CVE-2008-2931.
What type of attack does CVE-2008-2931 facilitate?
CVE-2008-2931 can facilitate local privilege escalation attacks, allowing unprivileged users to gain elevated privileges.
What component is vulnerable in CVE-2008-2931?
The vulnerability in CVE-2008-2931 is due to the do_change_type function in the fs/namespace.c file of the Linux kernel.
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