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amazonAmazonALAS-2013-190
HistoryMay 14, 2013 - 3:37 p.m.

Medium: kernel

2013-05-1415:37:00
alas.aws.amazon.com
41

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.002 Low

EPSS

Percentile

54.7%

Issue Overview:

The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.

Affected Packages:

kernel

Issue Correction:
Run yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.

New Packages:

i686:  
    kernel-tools-3.4.43-43.43.amzn1.i686  
    kernel-headers-3.4.43-43.43.amzn1.i686  
    kernel-debuginfo-3.4.43-43.43.amzn1.i686  
    kernel-tools-debuginfo-3.4.43-43.43.amzn1.i686  
    kernel-debuginfo-common-i686-3.4.43-43.43.amzn1.i686  
    kernel-devel-3.4.43-43.43.amzn1.i686  
    kernel-3.4.43-43.43.amzn1.i686  
  
noarch:  
    kernel-doc-3.4.43-43.43.amzn1.noarch  
  
src:  
    kernel-3.4.43-43.43.amzn1.src  
  
x86_64:  
    kernel-headers-3.4.43-43.43.amzn1.x86_64  
    kernel-3.4.43-43.43.amzn1.x86_64  
    kernel-debuginfo-common-x86_64-3.4.43-43.43.amzn1.x86_64  
    kernel-tools-3.4.43-43.43.amzn1.x86_64  
    kernel-tools-debuginfo-3.4.43-43.43.amzn1.x86_64  
    kernel-devel-3.4.43-43.43.amzn1.x86_64  
    kernel-debuginfo-3.4.43-43.43.amzn1.x86_64  

Additional References

Red Hat: CVE-2013-2094

Mitre: CVE-2013-2094

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.002 Low

EPSS

Percentile

54.7%