NetSight
medium5.5

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 …

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 4.5.0
Version 4.5.0
CanonicalUbuntu Linux
Versions 14.04, 15.10
OpensuseLeap
Version 42.1

References