Input validation error in Linux kernel - CVE-2013-4220
Published: August 25, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42628
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-4220
CWE-ID: CWE-20
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 bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64 platform allows local users to cause a denial of service (system crash) via vectors involving an attempted register access that triggers an unexpected value in the Exception Syndrome Register (ESR).
How to mitigate CVE-2013-4220
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9955ac47f4ba1c95ecb6092aeaefb40a22e99268
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.5
- http://www.openwall.com/lists/oss-security/2013/08/08/12
- https://bugzilla.redhat.com/show_bug.cgi?id=996380
- https://github.com/torvalds/linux/commit/9955ac47f4ba1c95ecb6092aeaefb40a22e99268