umount, when running with the Linux 2.6.15 kernel on Slackware Linux 10.2, allows local users to trigger a NULL dereference and application crash by invoking the program with a pathname for a USB pen drive that was mounted and then physically removed, which might allow the users to obtain sensitive information, including core file contents
Published Feb 7, 2007
1.9
LOWCVSS 2.0
EPSS 0.42%
Description
umount, when running with the Linux 2.6.15 kernel on Slackware Linux 10.2, allows local users to trigger a NULL dereference and application crash by invoking the program with a pathname for a USB pen drive that was mounted and then physically removed, which might allow the users to obtain sensitive information, including core file contents.
Affected products
No data.
- 2.6.15
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat does not consider this issue to be a security vulnerability. On Red Hat Enterprise Linux processes that change their effective UID do not dump core by default when they receive a fatal signal. Therefore the NULL pointer dereference does not lead to an information leak.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:N/A:N
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.42% (0.00423) | 34.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.41% (0.00410) | 32.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00057) | 15.14th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0012.html mailing-listx_refsource_FULLDISC
- http://gotfault.wordpress.com/2007/01/18/umount-bug/ x_refsource_MISCExploit
- http://osvdb.org/33652 vdb-entryx_refsource_OSVDB
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:053 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/22850 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1017729 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2007-0822 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-0822
- https://www.cve.org/CVERecord?id=CVE-2007-0822
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0012.html | mailing-listx_refsource_FULLDISC | |
| http://gotfault.wordpress.com/2007/01/18/umount-bug/ | x_refsource_MISCExploit | |
| http://osvdb.org/33652 | vdb-entryx_refsource_OSVDB | |
| http://www.mandriva.com/security/advisories?name=MDKSA-2007:053 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/22850 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1017729 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2007-0822 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-0822 | ||
| https://www.cve.org/CVERecord?id=CVE-2007-0822 |
Change history (0)
No recorded changes yet.