high
7.2
CWE
754
Advisory Published
CVE Published
CVE Published
Updated

CVE-2014-1737

First published: Mon May 05 2014(Updated: )

A flaw was found in the way Linux kernel's floppy driver treated userspace provided data in certain error code path while processing FDRAWCMD ioctl command. An local user with write access to /dev/fdX could use this flaw to kfree() arbitrary data. (<a href="https://access.redhat.com/security/cve/CVE-2014-1737">CVE-2014-1737</a>) It was found that Linux kernel's floppy driver leaked internal kernel memory addresses to userspace during processing of FDRAWCMD ioctl command. An local user with write access to /dev/fdX could use this flaw to get information about kernel heap arrangment. (<a href="https://access.redhat.com/security/cve/CVE-2014-1738">CVE-2014-1738</a>) An local user with write access to /dev/fdX could use these two flaws (<a href="https://access.redhat.com/security/cve/CVE-2014-1737">CVE-2014-1737</a> in combination with <a href="https://access.redhat.com/security/cve/CVE-2014-1738">CVE-2014-1738</a>) to escalate their privileges on the system. Acknowledgements: Red Hat would like to thank Matthew Daley for reporting these issues.

Credit: cve-coordination@google.com chrome-cve-admin@google.com cve-coordination@google.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<0:2.6.18-371.9.1.el5
0:2.6.18-371.9.1.el5
redhat/kernel<0:2.6.18-238.53.1.el5
0:2.6.18-238.53.1.el5
redhat/kernel<0:2.6.18-348.27.1.el5
0:2.6.18-348.27.1.el5
redhat/kernel<0:2.6.32-431.20.3.el6
0:2.6.32-431.20.3.el6
redhat/kernel<0:2.6.32-220.52.1.el6
0:2.6.32-220.52.1.el6
redhat/kernel<0:2.6.32-358.46.1.el6
0:2.6.32-358.46.1.el6
redhat/kernel<0:3.10.0-123.4.2.el7
0:3.10.0-123.4.2.el7
redhat/kernel-rt<0:3.10.33-rt32.34.el6
0:3.10.33-rt32.34.el6
Linux Linux kernel<3.2.59
Linux Linux kernel>=3.3<3.4.90
Linux Linux kernel>=3.5<3.10.40
Linux Linux kernel>=3.11<3.12.20
Linux Linux kernel>=3.13<3.14.4
Oracle Linux=5
Oracle Linux=6
Debian Debian Linux=6.0
Debian Debian Linux=7.0
SUSE Linux Enterprise Desktop=11-sp3
Suse Linux Enterprise High Availability Extension=11-sp3
Suse Linux Enterprise Real Time Extension=11-sp3
SUSE Linux Enterprise Server=11-sp3
Suse Linux Enterprise Server=11-sp3
Redhat Enterprise Linux Eus=5.6
Redhat Enterprise Linux Eus=6.3
debian/linux
5.10.223-1
5.10.226-1
6.1.106-3
6.1.112-1
6.11.4-1
6.11.5-1

Remedy

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ef87dbe7614341c2e7bfe8d32fcb7028cc97442c

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1094299

Remedy

https://github.com/torvalds/linux/commit/ef87dbe7614341c2e7bfe8d32fcb7028cc97442c

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