Privilege escalation in Linux Kernel
CVE-2008-2931
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Novell SUSE Linux Enterprise Desktop — versions 10.0
- Novell SUSE Linux Enterprise Server — versions 10.0
- Canonical Ubuntu Linux — versions 6.06, 7.04, 7.10
- Debian Linux — versions 4.0
- openSUSE
Weakness classification (CWE)
References
- www.debian.org/security/2008/dsa-1630 (vendor-advisory, Patch, Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/43696 (VDB Entry, Third Party Advisory, vdb-entry)
- www.redhat.com/support/errata/RHSA-2008-0885.html (vendor-advisory, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/637-1/ (vendor-advisory, Third Party Advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:10437 (signature, Third Party Advisory, vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- secunia.com/advisories/31614 (Broken Link, third-party-advisory)
- secunia.com/advisories/30982 (Broken Link, third-party-advisory)
- git.kernel.org/
Frequently asked questions
- What is CVE-2008-2931?
- CVE-2008-2931 is a high-severity vulnerability in Linux Kernel, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2008-07-09.
- How severe is CVE-2008-2931?
- High severity. CVSS v3 base score is 7.8 out of 10.