xen: possible null dereference when parsing vif ratelimiting info (XSA-68)
Published Oct 17, 2013
1.9
LOWCVSS 2.0
EPSS 0.34%
Description
The xlu_vif_parse_rate function in the libxlu library in Xen 4.2.x and 4.3.x allows local users to cause a denial of service (NULL pointer dereference) by using the "@" character as the VIF rate configuration.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue does not affect the versions of the xen package as shipped with Red Hat Enterprise Linux 5 as it does not provide support for the libxl toolstack. This issue does not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2.
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:N/I:N/A:P
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 2, 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 2, 2026 | 0.34% (0.00343) | 25.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00343) | 25.90th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00057) | 15.12th | 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 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (8)
- http://security.gentoo.org/glsa/glsa-201407-03.xml vendor-advisoryx_refsource_GENTOO
- http://www.openwall.com/lists/oss-security/2013/10/10/11 mailing-listx_refsource_MLIST
- http://xenbits.xen.org/xsa/advisory-68.html
- https://access.redhat.com/security/cve/CVE-2013-4369 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1012554 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/87798 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2013-4369
- https://www.cve.org/CVERecord?id=CVE-2013-4369
| Link | Providers | Tags |
|---|---|---|
| http://security.gentoo.org/glsa/glsa-201407-03.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.openwall.com/lists/oss-security/2013/10/10/11 | mailing-listx_refsource_MLIST | |
| http://xenbits.xen.org/xsa/advisory-68.html | ||
| https://access.redhat.com/security/cve/CVE-2013-4369 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1012554 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/87798 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4369 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4369 |
Change history (0)
No recorded changes yet.