CVE DATABASE / CVE-2009-1388
CVE-2009-1388
CVSS 5.5 · MEDIUM
Summary
The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread.
CVSS 3.1 breakdown
| Base score | 5.5 (MEDIUM) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity | NONE |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Linux linux kernel
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References
- http://marc.info/?l=oss-security&m=124654277229434&w=2
- http://osvdb.org/55679
- http://secunia.com/advisories/36131
- http://secunia.com/advisories/37471
- http://www.redhat.com/support/errata/RHSA-2009-1193.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/bid/35559
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/3316
- https://bugzilla.redhat.com/attachment.cgi?id=346615
- https://bugzilla.redhat.com/attachment.cgi?id=346742
- https://bugzilla.redhat.com/show_bug.cgi?id=504263
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8625
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8680
Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.