CVE-2012-6547: Infoleak

Q: What is the severity of CVE-2012-6547?

CVE-2012-6547 is classified as a high severity vulnerability because it allows local users to access sensitive information from kernel stack memory.

Q: How do I fix CVE-2012-6547?

To fix CVE-2012-6547, update your Linux kernel to a version higher than 3.5.7 or apply the relevant patches provided by your distribution.

Q: What systems are affected by CVE-2012-6547?

CVE-2012-6547 affects Linux kernel versions before 3.6, including all 3.5.x releases.

Q: Can CVE-2012-6547 be exploited remotely?

No, CVE-2012-6547 can only be exploited by local users who have access to the system.

Q: What types of information can be leaked due to CVE-2012-6547?

CVE-2012-6547 can allow attackers to obtain sensitive information stored in the kernel stack memory, which could include critical system data.

Published Mar 14, 2013

Updated

Last updated 24 July 2024

Other sources

The tunchrioctl function in drivers/net/tun.c in the Linux kernel ...

— Debian

Affected Software

191 affected componentsFixes available

Linux Linux kernel<=3.5.7

Linux Linux kernel=3.0-rc1

Linux Linux kernel=3.0-rc2

Linux Linux kernel=3.0-rc3

Linux Linux kernel=3.0-rc4

Linux Linux kernel=3.0-rc5

Linux Linux kernel=3.0-rc6

Linux Linux kernel=3.0-rc7

Linux Linux kernel=3.0.1

Linux Linux kernel=3.0.2

Linux Linux kernel=3.0.3

Linux Linux kernel=3.0.4

Linux Linux kernel=3.0.5

Linux Linux kernel=3.0.6

Linux Linux kernel=3.0.7

Linux Linux kernel=3.0.8

Linux Linux kernel=3.0.9

Linux Linux kernel=3.0.10

Linux Linux kernel=3.0.11

Linux Linux kernel=3.0.12

Linux Linux kernel=3.0.13

Linux Linux kernel=3.0.14

Linux Linux kernel=3.0.15

Linux Linux kernel=3.0.16

Linux Linux kernel=3.0.17

Linux Linux kernel=3.0.18

Linux Linux kernel=3.0.19

Linux Linux kernel=3.0.20

Linux Linux kernel=3.0.21

Linux Linux kernel=3.0.22

Linux Linux kernel=3.0.23

Linux Linux kernel=3.0.24

Linux Linux kernel=3.0.25

Linux Linux kernel=3.0.26

Linux Linux kernel=3.0.27

Linux Linux kernel=3.0.28

Linux Linux kernel=3.0.29

Linux Linux kernel=3.0.30

Linux Linux kernel=3.0.31

Linux Linux kernel=3.0.32

Linux Linux kernel=3.0.33

Linux Linux kernel=3.0.34

Linux Linux kernel=3.0.35

Linux Linux kernel=3.0.36

Linux Linux kernel=3.0.37

Linux Linux kernel=3.0.38

Linux Linux kernel=3.0.39

Linux Linux kernel=3.0.40

Linux Linux kernel=3.0.41

Linux Linux kernel=3.0.42

Linux Linux kernel=3.0.43

Linux Linux kernel=3.0.44

Linux Linux kernel=3.0.45

Linux Linux kernel=3.0.46

Linux Linux kernel=3.0.47

Linux Linux kernel=3.0.48

Linux Linux kernel=3.0.49

Linux Linux kernel=3.0.50

Linux Linux kernel=3.0.51

Linux Linux kernel=3.0.52

Linux Linux kernel=3.0.53

Linux Linux kernel=3.0.54

Linux Linux kernel=3.0.55

Linux Linux kernel=3.0.56

Linux Linux kernel=3.0.57

Linux Linux kernel=3.0.58

Linux Linux kernel=3.0.59

Linux Linux kernel=3.0.60

Linux Linux kernel=3.0.61

Linux Linux kernel=3.0.62

Linux Linux kernel=3.0.63

Linux Linux kernel=3.0.64

Linux Linux kernel=3.0.65

Linux Linux kernel=3.0.66

Linux Linux kernel=3.0.67

Linux Linux kernel=3.0.68

Linux Linux kernel=3.1

Linux Linux kernel=3.1-rc1

Linux Linux kernel=3.1-rc2

Linux Linux kernel=3.1-rc3

Linux Linux kernel=3.1-rc4

Linux Linux kernel=3.1.1

Linux Linux kernel=3.1.2

Linux Linux kernel=3.1.3

Linux Linux kernel=3.1.4

Linux Linux kernel=3.1.5

Linux Linux kernel=3.1.6

Linux Linux kernel=3.1.7

Linux Linux kernel=3.1.8

Linux Linux kernel=3.1.9

Linux Linux kernel=3.1.10

Linux Linux kernel=3.2

Linux Linux kernel=3.2-rc2

Linux Linux kernel=3.2-rc3

Linux Linux kernel=3.2-rc4

Linux Linux kernel=3.2-rc5

Linux Linux kernel=3.2-rc6

Linux Linux kernel=3.2-rc7

Linux Linux kernel=3.2.1

Linux Linux kernel=3.2.2

Linux Linux kernel=3.2.3

Linux Linux kernel=3.2.4

Linux Linux kernel=3.2.5

Linux Linux kernel=3.2.6

Linux Linux kernel=3.2.7

Linux Linux kernel=3.2.8

Linux Linux kernel=3.2.9

Linux Linux kernel=3.2.10

Linux Linux kernel=3.2.11

Linux Linux kernel=3.2.12

Linux Linux kernel=3.2.13

Linux Linux kernel=3.2.14

Linux Linux kernel=3.2.15

Linux Linux kernel=3.2.16

Linux Linux kernel=3.2.17

Linux Linux kernel=3.2.18

Linux Linux kernel=3.2.19

Linux Linux kernel=3.2.20

Linux Linux kernel=3.2.21

Linux Linux kernel=3.2.22

Linux Linux kernel=3.2.23

Linux Linux kernel=3.2.24

Linux Linux kernel=3.2.25

Linux Linux kernel=3.2.26

Linux Linux kernel=3.2.27

Linux Linux kernel=3.2.28

Linux Linux kernel=3.2.29

Linux Linux kernel=3.2.30

Linux Linux kernel=3.3

Linux Linux kernel=3.3-rc1

Linux Linux kernel=3.3-rc2

Linux Linux kernel=3.3-rc3

Linux Linux kernel=3.3-rc4

Linux Linux kernel=3.3-rc5

Linux Linux kernel=3.3-rc6

Linux Linux kernel=3.3-rc7

Linux Linux kernel=3.3.1

Linux Linux kernel=3.3.2

Linux Linux kernel=3.3.3

Linux Linux kernel=3.3.4

Linux Linux kernel=3.3.5

Linux Linux kernel=3.3.6

Linux Linux kernel=3.3.7

Linux Linux kernel=3.3.8

Linux Linux kernel=3.4

Linux Linux kernel=3.4-rc1

Linux Linux kernel=3.4-rc2

Linux Linux kernel=3.4-rc3

Linux Linux kernel=3.4-rc4

Linux Linux kernel=3.4-rc5

Linux Linux kernel=3.4-rc6

Linux Linux kernel=3.4-rc7

Linux Linux kernel=3.4.1

Linux Linux kernel=3.4.2

Linux Linux kernel=3.4.3

Linux Linux kernel=3.4.4

Linux Linux kernel=3.4.5

Linux Linux kernel=3.4.6

Linux Linux kernel=3.4.7

Linux Linux kernel=3.4.8

Linux Linux kernel=3.4.9

Linux Linux kernel=3.4.10

Linux Linux kernel=3.4.11

Linux Linux kernel=3.4.12

Linux Linux kernel=3.4.13

Linux Linux kernel=3.4.14

Linux Linux kernel=3.4.15

Linux Linux kernel=3.4.16

Linux Linux kernel=3.4.17

Linux Linux kernel=3.4.18

Linux Linux kernel=3.4.19

Linux Linux kernel=3.4.20

Linux Linux kernel=3.4.21

Linux Linux kernel=3.4.22

Linux Linux kernel=3.4.23

Linux Linux kernel=3.4.24

Linux Linux kernel=3.4.25

Linux Linux kernel=3.4.26

Linux Linux kernel=3.4.27

Linux Linux kernel=3.4.28

Linux Linux kernel=3.4.29

Linux Linux kernel=3.4.30

Linux Linux kernel=3.4.31

Linux Linux kernel=3.4.32

Linux Linux kernel=3.5.1

Linux Linux kernel=3.5.2

Linux Linux kernel=3.5.3

Linux Linux kernel=3.5.4

Linux Linux kernel=3.5.5

Linux Linux kernel=3.5.6

debian/linux

5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-1

Remediation

Patch Available

https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2

Event History

Mar 14, 2013

CVE Published

via MITRE·08:00 PM

Data Sourced

via MITRE·08:00 PM

Description

Jan 11, 2024

Data Sourced

via Launchpad·10:00 PM

Description

Sep 16, 2024

Data Sourced

via Ubuntu·12:50 AM

RemedyDescriptionSeverityAffected Software

Mar 19, 2025

Data Sourced

via Debian·01:54 AM

DescriptionAffected Software

Frequently Asked Questions

What is the severity of CVE-2012-6547?

CVE-2012-6547 is classified as a high severity vulnerability because it allows local users to access sensitive information from kernel stack memory.

How do I fix CVE-2012-6547?

To fix CVE-2012-6547, update your Linux kernel to a version higher than 3.5.7 or apply the relevant patches provided by your distribution.

What systems are affected by CVE-2012-6547?

CVE-2012-6547 affects Linux kernel versions before 3.6, including all 3.5.x releases.

Can CVE-2012-6547 be exploited remotely?

No, CVE-2012-6547 can only be exploited by local users who have access to the system.

What types of information can be leaked due to CVE-2012-6547?

CVE-2012-6547 can allow attackers to obtain sensitive information stored in the kernel stack memory, which could include critical system data.

CVE-2012-6547: Infoleak

Other sources

Affected Software

Remediation

Patch Available

Event History

Frequently Asked Questions

What is the severity of CVE-2012-6547?

How do I fix CVE-2012-6547?

What systems are affected by CVE-2012-6547?

Can CVE-2012-6547 be exploited remotely?

What types of information can be leaked due to CVE-2012-6547?

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