CVE-2016-10154
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Linux Kernel 4.9
Attack profile CVSS 3.0 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-10154.md and follow it. Check whether this project is affected by CVE-2016-10154. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deeec77a5a689cc94b21a8a91a76e42176685d
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1
- http://www.openwall.com/lists/oss-security/2017/01/21/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1416104
- https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685d
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deeec77a5a689cc94b21a8a91a76e42176685d
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1
- http://www.openwall.com/lists/oss-security/2017/01/21/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1416104
- https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685d
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deeec77a5a689cc94b21a8a91a76e42176685d
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1
- http://www.openwall.com/lists/oss-security/2017/01/21/3
- http://www.securityfocus.com/bid/95714
- https://bugzilla.redhat.com/show_bug.cgi?id=1416104
- https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685d
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deeec77a5a689cc94b21a8a91a76e42176685d
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1
- http://www.openwall.com/lists/oss-security/2017/01/21/3
- http://www.securityfocus.com/bid/95714
- https://bugzilla.redhat.com/show_bug.cgi?id=1416104
- https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685d