CVE-2016-2383
MediumThe adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
The following references provide additional information about CVE-2016-2383 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
Third Party Advisory
-
Mailing List Third Party Advisory
-
Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2947-1Third Party Advisory
-
Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2947-2Third Party Advisory
-
Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2947-3Third Party Advisory
-
Issue Tracking Third Party Advisory
-
PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492
-
PatchKernel patch commithttps://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492
Frequently asked questions
-
What is CVE-2016-2383?
CVE-2016-2383 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2016-2383 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2016-2383?
CVE-2016-2383 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2016-2383?
No patch is currently available for CVE-2016-2383. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
-
Is CVE-2016-2383 actively exploited?
No — CVE-2016-2383 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.