CVE-2018-14619
HighA flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-416CVE-2018-14619 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
References
5 total-
Patch Vendor Advisory
-
Securityfocushttp://www.securityfocus.com/bid/105200Third Party Advisory VDB Entry
-
Third Party Advisory
-
Issue Tracking Third Party Advisory
-
Third Party Advisory
Frequently asked questions
-
What is CVE-2018-14619?
CVE-2018-14619 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2018-14619 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2018-14619?
CVE-2018-14619 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2018-14619?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2018-14619 patch availability.
-
Is CVE-2018-14619 actively exploited?
No. CVE-2018-14619 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.