CVE-2016-2383
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 27, 2016
First seenApr 27, 2016
How to fix
Update
- linux linux_kernel4.5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.5.0, 4.5.0 | 4.5.0 |
| canonical ubuntu_linux | 14.04, 15.10 | — |
| opensuse leap | 42.1 | — |
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