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Date: Tue, 25 Jun 2024 16:29:01 +0200
From: Greg Kroah-Hartman <>
Cc: Greg Kroah-Hartman <>
Subject: CVE-2024-39468: smb: client: fix deadlock in smb2_find_smb_tcon()


In the Linux kernel, the following vulnerability has been resolved:

smb: client: fix deadlock in smb2_find_smb_tcon()

Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such

The Linux kernel CVE team has assigned CVE-2024-39468 to this issue.

Affected and fixed versions

	Fixed in 6.1.94 with commit b09b556e4896
	Fixed in 6.6.34 with commit 225de871ddf9
	Fixed in 6.9.5 with commit 8d0f5f1ccf67
	Fixed in 6.10-rc3 with commit 02c418774f76

Please see for a full list of currently supported
kernel versions by the kernel community.

Unaffected versions might change over time as fixes are backported to
older supported kernel versions.  The official CVE entry at
will be updated if fixes are backported, please check that for the most
up to date information about this issue.

Affected files

The file(s) affected by this issue are:


The Linux kernel CVE team recommends that you update to the latest
stable kernel version for this, and many other bugfixes.  Individual
changes are never tested alone, but rather are part of a larger kernel
release.  Cherry-picking individual commits is not recommended or
supported by the Linux kernel community at all.  If however, updating to
the latest release is impossible, the individual changes to resolve this
issue can be found at these commits:

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