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CVE-2008-2931

The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify...

7.8 High

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.38%Down 1.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2008-2931
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-269
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2008-2931
Updated
2026-11-02
EUVDEUVD-2008-2924 No score

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.

Record
EUVD-2008-2924
Updated
2026-11-03
GitHub AdvisoriesGHSA-qrf3-cqg5-vv53 7.8

The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify...

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.

Record
GHSA-qrf3-cqg5-vv53
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-269
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
fai-kernels
Debian:4.0
From an advisory covering 8 CVEs
 before 1.17+etch.22etch2, plus listed versions
1.171.17+etch.13etch31.17+etch.13etch41.17+etch.13etch51.17+etch.13etch6
Show 17 moreShow less
1.17+etch.161.17+etch.171.17+etch.17etch11.17+etch.18etch11.17+etch.18etch21.17+etch.18etch31.17+etch.18etch41.17+etch.18etch51.17+etch.18etch61.17+etch.211.17+etch.22etch11.17+etch11.17+etch21.17+etch31.17+etch41.17+etch51.17etch1
1.17+etch.22etch2
user-mode-linux
Debian:4.0
From an advisory covering 8 CVEs
 before 2.6.18-1um-2etch.22etch2, plus listed versions
2.6.18-1um-22.6.18-1um-2etch.13etch32.6.18-1um-2etch.13etch42.6.18-1um-2etch.13etch52.6.18-1um-2etch.13etch6
Show 15 moreShow less
2.6.18-1um-2etch.162.6.18-1um-2etch.172.6.18-1um-2etch.17etch12.6.18-1um-2etch.18etch12.6.18-1um-2etch.18etch22.6.18-1um-2etch.18etch32.6.18-1um-2etch.18etch42.6.18-1um-2etch.18etch52.6.18-1um-2etch.18etch62.6.18-1um-2etch.212.6.18-1um-2etch.22etch12.6.18-1um-2etch12.6.18-1um-2etch22.6.18-1um-2etch32.6.18-1um-2etch4
2.6.18-1um-2etch.22etch2
linux-2.6
Debian:4.0
From an advisory covering 8 CVEs
 before 2.6.18.dfsg.1-22etch2, plus listed versions
2.6.18.dfsg.1-122.6.18.dfsg.1-12etch12.6.18.dfsg.1-12etch22.6.18.dfsg.1-132.6.18.dfsg.1-13etch1
Show 22 moreShow less
2.6.18.dfsg.1-13etch22.6.18.dfsg.1-13etch32.6.18.dfsg.1-13etch42.6.18.dfsg.1-13etch52.6.18.dfsg.1-13etch62.6.18.dfsg.1-13lenny12.6.18.dfsg.1-142.6.18.dfsg.1-152.6.18.dfsg.1-162.6.18.dfsg.1-172.6.18.dfsg.1-17etch12.6.18.dfsg.1-182.6.18.dfsg.1-18etch12.6.18.dfsg.1-18etch32.6.18.dfsg.1-18etch42.6.18.dfsg.1-18etch52.6.18.dfsg.1-18etch62.6.18.dfsg.1-192.6.18.dfsg.1-202.6.18.dfsg.1-212.6.18.dfsg.1-222.6.18.dfsg.1-22etch1
2.6.18.dfsg.1-22etch2
kernel
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debug
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
Show 26 moreShow less
Affected packages
PackageAffectedFixed
kernel-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-doc
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-headers
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-xen
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debug
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-doc
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-headers
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-xen
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:2.6.18-92.1.13.el5
0:2.6.18-92.1.13.el5

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-2931 is a high vulnerability (CVSS 7.8) in Debian Linux, published July 9, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. No source names a fixed version.

References

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