Vulnerability in Linux Kernel
CVE-2016-2383
The 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.
EPSS: 0.004 (30.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Linux Linux_kernel — versions 4.5.0
- Canonical Ubuntu_linux — versions 14.04, 15.10
- Opensuse Leap — versions 42.1
- N/a — versions n/a
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@debian.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- security@debian.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2016-2383?
- CVE-2016-2383 is a medium-severity vulnerability in Linux Kernel. CVSS score: 5.5/10. Published 2016-04-27.
- How severe is CVE-2016-2383?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-2383 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.