CVE-2019-16746
Critical
Description
An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedSep 24, 2019
First seenSep 24, 2019
How to fix
Update
- linux linux_kernel3.16.79, 4.4.197, 4.9.197, 4.14.149, 4.19.79, 5.3.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.25 ≤ v < 3.16.79, 3.17 ≤ v < 4.4.197, 4.5 ≤ v < 4.9.197, 4.10 ≤ v < 4.14.149, 4.15 ≤ v < 4.19.79, 4.20 ≤ v < 5.3.6 | 3.16.79, 4.4.197, 4.9.197, 4.14.149, 4.19.79, 5.3.6 |
| debian debian_linux | 8.0 | — |
| canonical ubuntu_linux | 16.04, 18.04, 19.04, 19.10 | — |
| fedoraproject fedora | 30 | — |
| opensuse leap | 15.1 | — |
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