CVE-2012-4508

Description

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.

Category

1.9
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory suse.com Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dee1f973ca341c266229faa5a1a5bb268bed3531
http://rhn.redhat.com/errata/RHSA-2012-1540.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0496.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-1783.html vendor advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
http://www.ubuntu.com/usn/USN-1645-1 vendor advisory
http://www.ubuntu.com/usn/USN-1899-1 vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-1519.html vendor advisory
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html vendor advisory
https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531 patch
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=869904
http://www.openwall.com/lists/oss-security/2012/10/25/1 mailing list
http://www.ubuntu.com/usn/USN-1900-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-4508?
CVE-2012-4508 has been scored as a low severity vulnerability.
How to fix CVE-2012-4508?
To fix CVE-2012-4508, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-4508 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-4508 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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