CVE-2012-4453

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-10-09 · updated 2026-06-16
Weakness: CWE-276

Description

dracut.sh in dracut, as used in Red Hat Enterprise Linux 6, Fedora 16 and 17, and possibly other products, creates initramfs images with world-readable permissions, which might allow local users to obtain sensitive information.

Affected products

The Dracut Project dracut: before 024 — fixed in 024
Fedoraproject Fedora: 16, 17
RedHat Enterprise Linux Desktop: 6.0
RedHat Enterprise Linux Server: 6.0
RedHat Enterprise Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: The Dracut Project dracut 024. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=boot/dracut/dracut.git%3Ba=commit%3Bh=e1b48995c26c4f06d1a71
http://rhn.redhat.com/errata/RHSA-2013-1674.html
http://www.openwall.com/lists/oss-security/2012/09/27/3
http://www.openwall.com/lists/oss-security/2012/09/27/4
http://www.openwall.com/lists/oss-security/2012/09/27/6
http://www.securityfocus.com/bid/55713
https://bugzilla.redhat.com/show_bug.cgi?id=859448
https://exchange.xforce.ibmcloud.com/vulnerabilities/79258
http://git.kernel.org/?p=boot/dracut/dracut.git%3Ba=commit%3Bh=e1b48995c26c4f06d1a71
http://rhn.redhat.com/errata/RHSA-2013-1674.html
http://www.openwall.com/lists/oss-security/2012/09/27/3
http://www.openwall.com/lists/oss-security/2012/09/27/4

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