Stack-based buffer overflow in Linux kernel - CVE-2014-8884
Published: November 30, 2014 / Updated: August 9, 2020
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the ttusbdecfe_dvbs_diseqc_send_master_cmd function in drivers/media/usb/ttusb-dec/ttusbdecfe.c when processing a large message length in an ioctl call. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Ubuntu
linux (Ubuntu package)
How to mitigate CVE-2014-8884
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f2e323ec96077642d397bb1c355def536d489d16
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://rhn.redhat.com/errata/RHSA-2015-0782.html
- http://rhn.redhat.com/errata/RHSA-2015-0864.html
- http://secunia.com/advisories/62305
- http://www.debian.org/security/2014/dsa-3093
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4
- http://www.openwall.com/lists/oss-security/2014/11/14/7
- https://bugzilla.redhat.com/show_bug.cgi?id=1164266
- https://github.com/torvalds/linux/commit/f2e323ec96077642d397bb1c355def536d489d16