kernel: missing check before setting mount propagation
Published Jul 9, 2008
7.8
HIGHCVSS 3.1
EPSS 0.38%
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.
Affected products
No data.
Configuration 1
- < 2.6.22
Configuration 2
- 4.0
Configuration 3
- 10.0
- 10.0
- 10.0
- 10.0
- ≥ 10.3 · ≤ 11.0
Configuration 4
- 6.06
- 7.04
- 7.10
- 8.04
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-92.1.13.el5
Fixed · RHSA-2008:0885
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-92.1.13.el5 | Fixed | RHSA-2008:0885 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00375) | 29.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00375) | 29.11th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.02% (0.00023) | 3.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (23)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=ee6f958291e2a768fd727e7a67badfff0b67711a x_refsource_CONFIRM
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22 x_refsource_CONFIRMBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/30982 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/31551 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/31614 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32023 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/32759 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.debian.org/security/2008/dsa-1630 vendor-advisoryx_refsource_DEBIANPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2008/07/08/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2008/07/08/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2008-0885.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/bid/30126 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2008-2931 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=454388 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43696 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2008-2931
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://usn.ubuntu.com/637-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2008-2931
Change history (0)
No recorded changes yet.