CVE-2009-1388

MEDIUM

Linux Kernel - Improper Locking

Title source: rule

Description

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.

References (14)

[Mailing List, Patch] http://marc.info/?l=oss-security&m=124654277229434&w=2

[Broken Link] 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, Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/507985/100/0/threaded

[Broken Link, Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/35559

[Third Party Advisory] http://www.vmware.com/security/advisories/VMSA-2009-0016.html

[Broken Link] http://www.vupen.com/english/advisories/2009/3316

[Mailing List, Patch] https://bugzilla.redhat.com/attachment.cgi?id=346615

[Patch] https://bugzilla.redhat.com/attachment.cgi?id=346742

[Issue Tracking, Patch] https://bugzilla.redhat.com/show_bug.cgi?id=504263

[Broken Link] 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

Scores

CVSS v3 5.5

EPSS 0.0013

EPSS Percentile 32.3%

Attack Vector LOCAL

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

Classification

CWE

CWE-667

Status draft

Affected Products (1)

linux/linux_kernel

Timeline

Published Jul 05, 2009

Tracked Since Feb 18, 2026