CVE-2016-4913

moderate-risk
Published 2016-05-23

The get_rock_ridge_filename function in fs/isofs/rock.c in the Linux kernel before 4.5.5 mishandles NM (aka alternate name) entries containing \0 characters, which allows local users to obtain sensitive information from kernel memory or possibly have unspecified other impact via a crafted isofs filesystem.

Do I need to act?

-
0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (10)

Affected Vendors

Linux Oracle Novell Canonical

References (54)

Vendor Advisory http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99d825...
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3607
Vendor Advisory http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
Mailing List http://www.openwall.com/lists/oss-security/2016/05/18/3
Mailing List http://www.openwall.com/lists/oss-security/2016/05/18/5
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
Third Party Advisory http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htm...
Third Party Advisory http://www.securityfocus.com/bid/90730
Third Party Advisory http://www.ubuntu.com/usn/USN-3016-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3016-2
Third Party Advisory http://www.ubuntu.com/usn/USN-3016-3
Third Party Advisory http://www.ubuntu.com/usn/USN-3016-4
Third Party Advisory http://www.ubuntu.com/usn/USN-3017-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3017-2
Third Party Advisory http://www.ubuntu.com/usn/USN-3017-3
Third Party Advisory http://www.ubuntu.com/usn/USN-3018-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3018-2
Third Party Advisory http://www.ubuntu.com/usn/USN-3019-1
and 34 more references
40
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 16/34 · Moderate