CVE-2022-42719
High
Description
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux Kernel
PublishedOct 13, 2022
First seenOct 13, 2022
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.4.219, 5.10.149, 5.15.74, 5.19.16, 6.0.2 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/
- debian.org/security/2022/dsa-5257
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.2 ≤ v < 5.4.219, 5.5 ≤ v < 5.10.149, 5.11 ≤ v < 5.15.74, 5.16 ≤ v < 5.19.16, 6.0 ≤ v < 6.0.2 | 5.4.219, 5.10.149, 5.15.74, 5.19.16, 6.0.2 |
| fedoraproject fedora | 35, 36, 37 | — |
| debian debian_linux | 10.0, 11.0 | — |
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