Tracing execution of a threaded executable causes kernel BUG report
Published May 2, 2007
4.9
MEDIUMCVSS 2.0
EPSS 0.38%
Description
The utrace support in Linux kernel 2.6.18, and other versions, allows local users to cause a denial of service (system hang) related to "MT exec + utrace_attach spin failure mode," as demonstrated by ptrace-thrash.c.
Affected products
No data.
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18.1
- 2.6.18.2
- 2.6.18.3
- 2.6.18.4
- 5.0
- 5.0
- 5.0
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.3.el5
Fixed · RHSA-2007:0169
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.3.el5 | Fixed | RHSA-2007:0169 |
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00380) | 29.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00380) | 29.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00112) | 27.28th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00060) | 27.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
No CWE recorded.
References (12)
- http://osvdb.org/35927 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25080 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1017979 vdb-entryx_refsource_SECTRACK
- http://www.redhat.com/support/errata/RHSA-2007-0169.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- http://www.securityfocus.com/bid/23720 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2007-0771 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=227952 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=228816 x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34128 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-0771
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9447 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-0771
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/35927 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/25080 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1017979 | vdb-entryx_refsource_SECTRACK | |
| http://www.redhat.com/support/errata/RHSA-2007-0169.html | vendor-advisoryx_refsource_REDHATPatchVendor Advisory | |
| http://www.securityfocus.com/bid/23720 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2007-0771 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=227952 | x_refsource_CONFIRMIssue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=228816 | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/34128 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-0771 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9447 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2007-0771 |
Change history (0)
No recorded changes yet.