vulnerability
Ubuntu: (Multiple Advisories) (CVE-2017-2647): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Mar 31, 2017 | Jan 15, 2019 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Mar 31, 2017
Added
Jan 15, 2019
Modified
Mar 27, 2026
Description
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
Solutions
ubuntu-upgrade-linux-image-3-13-0-164-genericubuntu-upgrade-linux-image-3-13-0-164-generic-lpaeubuntu-upgrade-linux-image-3-13-0-164-lowlatencyubuntu-upgrade-linux-image-3-13-0-164-powerpc-e500ubuntu-upgrade-linux-image-3-13-0-164-powerpc-e500mcubuntu-upgrade-linux-image-3-13-0-164-powerpc-smpubuntu-upgrade-linux-image-3-13-0-164-powerpc64-embubuntu-upgrade-linux-image-3-13-0-164-powerpc64-smpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-lts-trustyubuntu-upgrade-linux-image-generic-lts-trustyubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-powerpc-e500ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-smp
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.