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Overview

Vulnerability Score 1.9 1.9
CVE Id CVE-2012-4508
Last Modified 07 Jan 2014 11:32:02
Published 21 Dec 2012 06:47:36
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact NONE NONE
Availability Impact NONE NONE
Access Vector LOCAL
Access Complexity MEDIUM
Authentication NONE

CVE-2012-4508

Summary

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

Vulnerable Systems

Operating System

  • Linux Kernel 3.0

  • Linux Kernel 3.0.1

  • Linux Kernel 3.0.10

  • Linux Kernel 3.0.11

  • Linux Kernel 3.0.12

  • Linux Kernel 3.0.13

  • Linux Kernel 3.0.14

  • Linux Kernel 3.0.15

  • Linux Kernel 3.0.16

  • Linux Kernel 3.0.17

  • Linux Kernel 3.0.18

  • Linux Kernel 3.0.19

  • Linux Kernel 3.0.2

  • Linux Kernel 3.0.20

  • Linux Kernel 3.0.21

  • Linux Kernel 3.0.22

  • Linux Kernel 3.0.23

  • Linux Kernel 3.0.24

  • Linux Kernel 3.0.25

  • Linux Kernel 3.0.26

  • Linux Kernel 3.0.27

  • Linux Kernel 3.0.28

  • Linux Kernel 3.0.29

  • Linux Kernel 3.0.3

  • Linux Kernel 3.0.30

  • Linux Kernel 3.0.31

  • Linux Kernel 3.0.32

  • Linux Kernel 3.0.33

  • Linux Kernel 3.0.34

  • Linux Kernel 3.0.35

  • Linux Kernel 3.0.36

  • Linux Kernel 3.0.37

  • Linux Kernel 3.0.38

  • Linux Kernel 3.0.39

  • Linux Kernel 3.0.4

  • Linux Kernel 3.0.40

  • Linux Kernel 3.0.41

  • Linux Kernel 3.0.42

  • Linux Kernel 3.0.43

  • Linux Kernel 3.0.44

  • Linux Kernel 3.0.5

  • Linux Kernel 3.0.6

  • Linux Kernel 3.0.7

  • Linux Kernel 3.0.8

  • Linux Kernel 3.0.9

  • Linux Kernel 3.1

  • Linux Kernel 3.1.1

  • Linux Kernel 3.1.10

  • Linux Kernel 3.1.2

  • Linux Kernel 3.1.3

  • Linux Kernel 3.1.4

  • Linux Kernel 3.1.5

  • Linux Kernel 3.1.6

  • Linux Kernel 3.1.7

  • Linux Kernel 3.1.8

  • Linux Kernel 3.1.9

  • Linux Kernel 3.2

  • Linux Kernel 3.2.1

  • Linux Kernel 3.2.10

  • Linux Kernel 3.2.11

  • Linux Kernel 3.2.12

  • Linux Kernel 3.2.13

  • Linux Kernel 3.2.14

  • Linux Kernel 3.2.15

  • Linux Kernel 3.2.16

  • Linux Kernel 3.2.17

  • Linux Kernel 3.2.18

  • Linux Kernel 3.2.19

  • Linux Kernel 3.2.2

  • Linux Kernel 3.2.20

  • Linux Kernel 3.2.21

  • Linux Kernel 3.2.22

  • Linux Kernel 3.2.23

  • Linux Kernel 3.2.24

  • Linux Kernel 3.2.25

  • Linux Kernel 3.2.26

  • Linux Kernel 3.2.27

  • Linux Kernel 3.2.28

  • Linux Kernel 3.2.29

  • Linux Kernel 3.2.3

  • Linux Kernel 3.2.30

  • Linux Kernel 3.2.4

  • Linux Kernel 3.2.5

  • Linux Kernel 3.2.6

  • Linux Kernel 3.2.7

  • Linux Kernel 3.2.8

  • Linux Kernel 3.2.9

  • Linux Kernel 3.3

  • Linux Kernel 3.3.1

  • Linux Kernel 3.3.2

  • Linux Kernel 3.3.3

  • Linux Kernel 3.3.4

  • Linux Kernel 3.3.5

  • Linux Kernel 3.3.6

  • Linux Kernel 3.3.7

  • Linux Kernel 3.3.8

  • Linux Kernel 3.4

  • Linux Kernel 3.4.1

  • Linux Kernel 3.4.10

  • Linux Kernel 3.4.11

  • Linux Kernel 3.4.12

  • Linux Kernel 3.4.13

  • Linux Kernel 3.4.14

  • Linux Kernel 3.4.15

  • Linux Kernel 3.4.2

  • Linux Kernel 3.4.3

  • Linux Kernel 3.4.4

  • Linux Kernel 3.4.5


References

CONFIRM - https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531

CONFIRM - http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531

CONFIRM - https://bugzilla.redhat.com/show_bug.cgi?id=869904

MLIST - [oss-security] 20121025 CVE-2012-4508 -- kernel: ext4: AIO vs fallocate stale data exposure

CONFIRM - http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16

SUSE - SUSE-SU-2012:1679

REDHAT - RHSA-2012:1540

UBUNTU - USN-1645-1

REDHAT - RHSA-2013:0496

UBUNTU - USN-1900-1

UBUNTU - USN-1899-1

FEDORA - FEDORA-2012-17479

REDHAT - RHSA-2013:1783

REDHAT - RHSA-2013:1519

Related Patches

Red Hat 2012:1540-01 RHSA Important: kernel security, bug fix, and enhancement update for RHEL 5 x86

Novell SUSE 2012:7123 kernel security update for SLE 11 SP2 i586

Novell SUSE 2012:7127 kernel security update for SLE 11 SP2 x86_64


Last Updated: 27 May 2016 11:01:29