Security restrictions bypass in Linux kernel - CVE-2009-0028
Published: February 27, 2009 / Updated: June 20, 2024
Vulnerability identifier: #VU92846
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2009-0028
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform service disruption.
The clone system call in the Linux kernel 2.6.28 and earlier allows local users to send arbitrary signals to a parent process from an unprivileged child process by launching an additional child process with the CLONE_PARENT flag, and then letting this new process exit.
How to mitigate CVE-2009-0028
Install update from vendor's repository.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
- http://osvdb.org/52204
- http://rhn.redhat.com/errata/RHSA-2009-0459.html
- http://scary.beasts.org/security/CESA-2009-002.html
- http://scarybeastsecurity.blogspot.com/2009/02/linux-kernel-minor-signal-vulnerability.html
- http://secunia.com/advisories/33758
- http://secunia.com/advisories/34033
- http://secunia.com/advisories/34680
- http://secunia.com/advisories/34917
- http://secunia.com/advisories/34962
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/35011
- http://secunia.com/advisories/35120
- http://secunia.com/advisories/35121
- http://secunia.com/advisories/35390
- http://secunia.com/advisories/35394
- http://secunia.com/advisories/37471
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://www.debian.org/security/2009/dsa-1787
- http://www.debian.org/security/2009/dsa-1794
- http://www.debian.org/security/2009/dsa-1800
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118
- http://www.redhat.com/support/errata/RHSA-2009-0326.html
- http://www.redhat.com/support/errata/RHSA-2009-0451.html
- http://www.securityfocus.com/archive/1/503610/100/0/threaded
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/bid/33906
- http://www.ubuntu.com/usn/usn-751-1
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/3316
- https://bugzilla.redhat.com/show_bug.cgi?id=479932
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11187
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7947