CVE-2009-1388

5.5 mediumEPSS 0.4%

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-667
Published: 2009-07-05
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

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

Check your stack JSON