Published: 31/08/2015 Updated: 22/12/2016

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

VMScore: 436

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

The udf_pc_to_char function in fs/udf/symlink.c in the Linux kernel prior to 3.18.2 relies on component lengths that are unused, which allows local users to cause a denial of service (system crash) via a crafted UDF filesystem image.

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linux linux kernel

Several security issues were fixed in the kernel ...

A symlink size validation was missing in Linux kernels built with UDF file system (CONFIG_UDF_FS) support, allowing the corruption of kernel memory An attacker able to mount a corrupted/malicious UDF file system image could cause the kernel to crash ...

NVD-CWE-noinfo http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2 https://bugzilla.redhat.com/show_bug.cgi?id=1228229 http://www.openwall.com/lists/oss-security/2015/06/02/7 https://github.com/torvalds/linux/commit/e237ec37ec154564f8690c5bd1795339955eeef9 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e237ec37ec154564f8690c5bd1795339955eeef9 http://www.securityfocus.com/bid/74964 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://nvd.nist.gov https://usn.ubuntu.com/2542-1/https://access.redhat.com/security/cve/cve-2014-9730

CVE-2014-9730

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