kernel: xen: Linux netback crash trying to disable due to malformed packet
Published Apr 15, 2014
4.4
MEDIUMCVSS 2.0
EPSS 0.35%
Description
The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of service ("scheduling while atomic" error and host crash) via a malformed packet, which causes a mutex to be taken when trying to disable the interface.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue does not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue does not affect versions of Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 as they do not have support for Xen hypervisor.
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:S/C:N/I:N/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 | 0.35% (0.00346) | 25.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00343) | 25.90th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00071) | 19.14th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2014/03/24/6 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2014/03/24/8 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/66386 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1029949 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-90.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-2580 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1080084 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-2580
- https://www.cve.org/CVERecord?id=CVE-2014-2580
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2014/03/24/6 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2014/03/24/8 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/66386 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1029949 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-90.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-2580 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1080084 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-2580 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-2580 |
Change history (0)
No recorded changes yet.