Published: 31/08/2015 Updated: 13/07/2017

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

VMScore: 187

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

The UDF filesystem implementation in the Linux kernel prior to 3.18.2 does not ensure that space is available for storing a symlink target's name along with a trailing \0 character, which allows local users to obtain sensitive information via a crafted filesystem image, related to fs/udf/symlink.c and fs/udf/unicode.c.

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linux linux kernel

Several security issues were fixed in the kernel ...

A path length checking flaw was found in Linux kernels built with UDF file system (CONFIG_UDF_FS) support An attacker able to mount a corrupted/malicious UDF file system image could use this flaw to leak kernel memory to user-space ...

CWE-17 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2 http://www.openwall.com/lists/oss-security/2015/06/03/4 https://bugzilla.redhat.com/show_bug.cgi?id=1228220 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0e5cc9a40ada6046e6bc3bdfcd0c0d7e4b706b14 https://github.com/torvalds/linux/commit/0e5cc9a40ada6046e6bc3bdfcd0c0d7e4b706b14 http://www.securityfocus.com/bid/75001 http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html https://source.android.com/security/bulletin/2017-07-01 https://nvd.nist.gov https://usn.ubuntu.com/2542-1/https://access.redhat.com/security/cve/cve-2014-9731

CVE-2014-9731

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