CVE-2013-4220

Severity

49%

Complexity

39%

Confidentiality

115%

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).

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).

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C).

Overview

Type

Linux Kernel

First reported 11 years ago

2013-08-25 03:27:00

Last updated 11 years ago

2013-08-26 19:02:00

Affected Software

Linux Kernel 3.9.0 on ARM64 architecture

3.9.0

Linux Kernel 3.9.1 on ARM64 architecture

3.9.1

Linux Kernel 3.9.2 on ARM64 architecture

3.9.2

Linux Kernel 3.9.3 on ARM64 architecture

3.9.3

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9955ac47f4ba1c95ecb6092aeaefb40a22e99268

Exploit, Patch

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

[oss-security] 20130808 Re: CVE Request: Linux kernel: arm64: unhandled el0 traps

Patch

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

https://github.com/torvalds/linux/commit/9955ac47f4ba1c95ecb6092aeaefb40a22e99268

Exploit, Patch

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