NULL pointer dereference in Linux kernel - CVE-2009-1298
Published: December 9, 2009 / Updated: October 10, 2018
Vulnerability identifier: #VU91015
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2009-1298
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the printk() function in net/ipv4/ip_fragment.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2009-1298
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=bbf31bf18d34caa87dd01f08bf713635593697f2
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
- http://secunia.com/advisories/37624
- http://secunia.com/advisories/38017
- http://twitter.com/spendergrsec/statuses/6339560349
- http://wiki.rpath.com/Advisories:rPSA-2009-0161
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
- http://www.osvdb.org/60788
- http://www.securityfocus.com/archive/1/508517/100/0/threaded
- http://www.theregister.co.uk/2009/12/11/linux_kernel_bugs_patched/
- http://www.ubuntu.com/usn/USN-869-1
- https://bugzilla.redhat.com/show_bug.cgi?id=544144
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00453.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00496.html