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amazonAmazonALAS-2013-258
HistoryDec 11, 2013 - 8:33 p.m.

Low: kernel

2013-12-1120:33:00
alas.aws.amazon.com
26

4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

8.6%

Issue Overview:

Multiple buffer underflows in the XFS implementation in the Linux kernel through 3.12.1 allow local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging the CAP_SYS_ADMIN capability for a (1) XFS_IOC_ATTRLIST_BY_HANDLE or (2) XFS_IOC_ATTRLIST_BY_HANDLE_32 ioctl call with a crafted length value, related to the xfs_attrlist_by_handle function in fs/xfs/xfs_ioctl.c and the xfs_compat_attrlist_by_handle function in fs/xfs/xfs_ioctl32.c.

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-debuginfo-3.4.73-64.112.amzn1.i686  
    kernel-debuginfo-3.4.73-64.112.amzn1.i686  
    kernel-debuginfo-common-i686-3.4.73-64.112.amzn1.i686  
    kernel-headers-3.4.73-64.112.amzn1.i686  
    kernel-3.4.73-64.112.amzn1.i686  
    kernel-tools-3.4.73-64.112.amzn1.i686  
    kernel-devel-3.4.73-64.112.amzn1.i686  
  
noarch:  
    kernel-doc-3.4.73-64.112.amzn1.noarch  
  
src:  
    kernel-3.4.73-64.112.amzn1.src  
  
x86_64:  
    kernel-debuginfo-3.4.73-64.112.amzn1.x86_64  
    kernel-3.4.73-64.112.amzn1.x86_64  
    kernel-headers-3.4.73-64.112.amzn1.x86_64  
    kernel-tools-3.4.73-64.112.amzn1.x86_64  
    kernel-debuginfo-common-x86_64-3.4.73-64.112.amzn1.x86_64  
    kernel-tools-debuginfo-3.4.73-64.112.amzn1.x86_64  
    kernel-devel-3.4.73-64.112.amzn1.x86_64  

Additional References

Red Hat: CVE-2013-6382

Mitre: CVE-2013-6382

4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

8.6%

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