Description
The raw_cmd_copyin function in drivers/block/floppy.c in the Linux kernel through 3.14.3 does not properly handle error conditions during processing of an FDRAWCMD ioctl call, which allows local users to trigger kfree operations and gain privileges by leveraging write access to a /dev/fd device.
Metrics
CVSS 2.0 7.2/10
AV:L/AC:L/Au:N/C:C/I:C/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ef87dbe7614341c2e7bfe8d32fcb7028cc97442c
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- http://linux.oracle.com/errata/ELSA-2014-3043.html
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html
- http://rhn.redhat.com/errata/RHSA-2014-0800.html
- http://rhn.redhat.com/errata/RHSA-2014-0801.html
- http://secunia.com/advisories/59262
- http://secunia.com/advisories/59309
- http://secunia.com/advisories/59406
- http://secunia.com/advisories/59599
- http://www.debian.org/security/2014/dsa-2926
- http://www.debian.org/security/2014/dsa-2928
- http://www.openwall.com/lists/oss-security/2014/05/09/2
- http://www.securityfocus.com/bid/67300
- http://www.securitytracker.com/id/1030474
- https://bugzilla.redhat.com/show_bug.cgi?id=1094299
- https://github.com/torvalds/linux/commit/ef87dbe7614341c2e7bfe8d32fcb7028cc97442c
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ef87dbe7614341c2e7bfe8d32fcb7028cc97442c
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- http://linux.oracle.com/errata/ELSA-2014-3043.html
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html
- http://rhn.redhat.com/errata/RHSA-2014-0800.html
- http://rhn.redhat.com/errata/RHSA-2014-0801.html
- http://secunia.com/advisories/59262
- http://secunia.com/advisories/59309
- http://secunia.com/advisories/59406
- http://secunia.com/advisories/59599
- http://www.debian.org/security/2014/dsa-2926
- http://www.debian.org/security/2014/dsa-2928
- http://www.openwall.com/lists/oss-security/2014/05/09/2
- http://www.securityfocus.com/bid/67300
- http://www.securitytracker.com/id/1030474
- https://bugzilla.redhat.com/show_bug.cgi?id=1094299
- https://github.com/torvalds/linux/commit/ef87dbe7614341c2e7bfe8d32fcb7028cc97442c
Timeline
- Published
- May 11, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified