missing sanity check in xen block backend driver
Published May 8, 2008
4.9
MEDIUMCVSS 2.0
EPSS 0.34%
Description
The Xen hypervisor block backend driver for Linux kernel 2.6.18, when running on a 64-bit host with a 32-bit paravirtualized guest, allows local privileged users in the guest OS to cause a denial of service (host OS crash) via a request that specifies a large number of blocks.
Affected products
No data.
- 2.6.18
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-53.1.19.el5
Fixed · RHSA-2008:0233
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-53.1.19.el5 | Fixed | RHSA-2008:0233 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:L/Au:N/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00342) | 25.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00342) | 25.85th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00050) | 12.68th | 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 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.10% (0.01104) | 53.53th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
References (11)
- http://secunia.com/advisories/30116 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32918 third-party-advisoryx_refsource_SECUNIA
- http://www.redhat.com/support/errata/RHSA-2008-0233.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/29082 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-679-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2007-5498 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=369531 x_refsource_MISCPatchIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42274 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-5498
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-5498
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/30116 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/32918 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.redhat.com/support/errata/RHSA-2008-0233.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/bid/29082 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/usn-679-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2007-5498 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=369531 | x_refsource_MISCPatchIssue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/42274 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-5498 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2007-5498 |
Change history (0)
No recorded changes yet.