CVE-2016-10154

low-risk
Published 2017-02-06

The smbhash function in fs/cifs/smbencrypt.c in the Linux kernel 4.9.x before 4.9.1 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a scatterlist.

Do I need to act?

-
0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (12)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deee...
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1
Mailing List http://www.openwall.com/lists/oss-security/2017/01/21/3
Third Party Advisory http://www.securityfocus.com/bid/95714
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1416104
Issue Tracking https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685...
Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deee...
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1
Mailing List http://www.openwall.com/lists/oss-security/2017/01/21/3
Third Party Advisory http://www.securityfocus.com/bid/95714
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1416104
Issue Tracking https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal