CVE-2013-4220

medium

Description

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).

References

https://bugzilla.redhat.com/show_bug.cgi?id=996380

http://www.openwall.com/lists/oss-security/2013/08/08/12

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.5

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9955ac47f4ba1c95ecb6092aeaefb40a22e99268

Details

Source: Mitre, NVD

Published: 2013-08-25

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00047