Description
The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.
References (11)
Core 11
Core References
Issue Tracking x_refsource_confirm
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/67477
Mailing List mailing-list
x_refsource_mlist
http://lists.debian.org/debian-security/2011/05/msg00018.html
Mailing List mailing-list
x_refsource_mlist
http://lists.debian.org/debian-security/2011/05/msg00012.html
Mailing List mailing-list
x_refsource_mlist
http://openwall.com/lists/oss-security/2011/05/10/5
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/47859
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/72380
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/44460
Mailing List mailing-list
x_refsource_mlist
http://openwall.com/lists/oss-security/2011/05/16/7
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=704039
Mailing List mailing-list
x_refsource_mlist
http://lists.debian.org/debian-security/2011/05/msg00013.html
Scores
EPSS
0.0037
EPSS Percentile
29.3%
Details
CWE
CWE-264
Status
published
Products (50)
keepalived/keepalived
0.2.1
keepalived/keepalived
0.2.3
keepalived/keepalived
0.2.6
keepalived/keepalived
0.2.7
keepalived/keepalived
0.3.5
keepalived/keepalived
0.3.6
keepalived/keepalived
0.3.7
keepalived/keepalived
0.3.8
keepalived/keepalived
0.4.8
keepalived/keepalived
0.4.9
... and 40 more
Published
May 20, 2011
Tracked Since
Feb 18, 2026