CVE-2026-22978

Name	CVE-2026-22978
Description	In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user pointer; / Pointer to the data (in user space) / __u16 length; / number of fields or size in bytes / __u16 flags; / Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	vulnerable
	bullseye (security)	5.10.247-1	vulnerable
	bookworm	6.1.159-1	vulnerable
	bookworm (security)	6.1.158-1	vulnerable
	trixie	6.12.63-1	vulnerable
	trixie (security)	6.12.48-1	vulnerable
	forky	6.17.13-1	vulnerable
	sid	6.18.5-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	(unstable)	(unfixed)

https://git.kernel.org/linus/21cbf883d073abbfe09e3924466aa5e0449e7261 (6.19-rc5)