CVE-2026-23228

Name	CVE-2026-23228
Description	In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection() On kthread_run() failure in ksmbd_tcp_new_connection(), the transport is freed via free_transport(), which does not decrement active_num_conn, leaking this counter. Replace free_transport() with ksmbd_tcp_disconnect().
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)
References	DSA-6141-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.249-1	fixed
	bookworm	6.1.159-1	vulnerable
	bookworm (security)	6.1.162-1	vulnerable
	trixie	6.12.63-1	vulnerable
	trixie (security)	6.12.73-1	fixed
	forky	6.18.15-1	fixed
	sid	6.19.6-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	bullseye	(not affected)
linux	source	trixie	6.12.73-1	DSA-6141-1
linux	source	(unstable)	6.18.12-1

[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/77ffbcac4e569566d0092d5f22627dfc0896b553 (7.0-rc1)