CVE-2009-1388
MEDIUM · CVSS 5.5EPSS 0.4%EU EUVD
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.
Key facts
- CVSS score
- 5.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
- CWE-667
- EPSS score
- 0.4% (30th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1386)
- Published
- July 5, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1386 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://marc.info/?l=oss-security&m=124654277229434&w=2(Mailing List, Patch)
- http://osvdb.org/55679(Broken Link)
- http://secunia.com/advisories/36131(Broken Link)
- http://secunia.com/advisories/37471(Broken Link)
- http://www.redhat.com/support/errata/RHSA-2009-1193.html(Broken Link)
- http://www.securityfocus.com/archive/1/507985/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/35559(Broken Link, Third Party Advisory, VDB Entry)
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html(Third Party Advisory)
- http://www.vupen.com/english/advisories/2009/3316(Broken Link)
- https://bugzilla.redhat.com/attachment.cgi?id=346615(Mailing List, Patch)
- https://bugzilla.redhat.com/attachment.cgi?id=346742(Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=504263(Issue Tracking, Patch)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8625(Broken Link)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8680(Broken Link)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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