CVE-2008-2931 json
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 capab…
published 2008-07-09 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-2924
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- linux linux_kernel 2.6.22
- kernel RHEL 5 2.6.18-92.1.13.el5
- kernel-PAE RHEL 5 2.6.18-92.1.13.el5
- kernel-xen RHEL 5 2.6.18-92.1.13.el5
- kernel-kdump RHEL 5 2.6.18-92.1.13.el5
- kernel-debuginfo-common RHEL 5 2.6.18-92.1.13.el5
red hat advisories RHSA-2008:0885
- debian.org/security/2008/dsa-1630 advisory
- bugzilla.redhat.com/show_bug.cgi?id=454388 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2008-2931 updated
kernel: missing check before setting mount propagation
-
Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-92.1.13.el5, kernel-PAE 2.6.18-92.1.13.el5, kernel-xen 2.6.18-92.1.13.el5, kernel-kdump 2.6.18-92.1.13.el5, kernel-debuginfo-common 2.6.18-92.1.13.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-92.1.13.el5, kernel-PAE 2.6.18-92.1.13.el5, kernel-xen 2.6.18-92.1.13.el5, kernel-kdump 2.6.18-92.1.13.el5, kernel-debuginfo-common 2.6.18-92.1.13.el5fixed: vendor fix RHSA-2008:0885
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
- Technology feeds
References
-
debian.org
/security/2008/dsa-1630
vendor-advisory, patch, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=454388
issue-tracking, patch, third-party-advisory
-
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
-
lists.opensuse.org
/opensuse-security-announce/2008-07/msg00007.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2008-10/msg00003.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2008-11/msg00001.html
vendor-advisory, mailing-list, third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/43696
vdb-entry, third-party-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437
vdb-entry, signature, third-party-advisory
-
secunia.com
/advisories/31614
third-party-advisory, broken-link
-
secunia.com
/advisories/30982
third-party-advisory, broken-link
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=ee6f958291e2a768fd727e7a67badfff0b67711a
-
openwall.com
/lists/oss-security/2008/07/08/4
mailing-list, third-party-advisory
-
secunia.com
/advisories/31551
third-party-advisory, broken-link
-
securityfocus.com
/bid/30126
vdb-entry, third-party-advisory
-
secunia.com
/advisories/32023
third-party-advisory, broken-link
-
secunia.com
/advisories/32759
third-party-advisory, broken-link
-
kernel.org
/pub/linux/kernel/v2.6/ChangeLog-2.6.22
broken-link
-
openwall.com
/lists/oss-security/2008/07/08/3
mailing-list, third-party-advisory
Sources
- CVE List CVE-2008-2931
- NVD CVE-2008-2931
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