CVE-2019-7308
Medium
Description
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
SeverityMedium
CVSS5.6
Exploit probability—
Product
Linux Kernel
PublishedFeb 1, 2019
First seenFeb 1, 2019
How to fix
Update
- linux linux_kernel4.19.19, 4.20.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.19.19, 4.20.0 ≤ v < 4.20.6 | 4.19.19, 4.20.6 |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 18.10 | — |
| opensuse leap | 15.0 | — |
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