The SUSE Linux Enterprise 15 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2020-36557: Fixed race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could lead to a use-after-free (bnc#1201429).
- CVE-2020-36558: Fixed race condition involving VT_RESIZEX that could lead to a NULL pointer dereference and general protection fault (bnc#1200910).
- CVE-2021-26341: Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bsc#1201050).
- CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).
- CVE-2021-33656: Fixed out of bounds write with ioctl PIO_FONT (bnc#1201636).
- CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe subsystem (bnc#1198829).
- CVE-2022-20166: Fixed possible out of bounds write due to sprintf unsafety that could cause local escalation of privilege (bnc#1200598).
- CVE-2022-36946: Fixed incorrect packet truncation in nfqnl_mangle() that could lead to remote DoS (bnc#1201940).
The following non-security bugs were fixed:
- Add missing recommends of kernel-install-tools to kernel-source-vanilla (bsc#1200442)
- cifs: On cifs_reconnect, resolve the hostname again (bsc#1201926).
- cifs: Simplify reconnect code when dfs upcall is enabled (bsc#1201926).
- cifs: To match file servers, make sure the server hostname matches (bsc#1201926).
- cifs: fix memory leak of smb3_fs_context_dup::server_hostname (bsc#1201926).
- cifs: fix potential use-after-free in cifs_echo_request() (bsc#1201926).
- cifs: set a minimum of 120s for next dns resolution (bsc#1201926).
- cifs: use the expiry output of dns_query to schedule next resolution (bsc#1201926).
- kernel-binary.spec: Support radio selection for debuginfo. To disable debuginfo on 5.18 kernel a radio selection needs to be switched to a different selection. This requires disabling the currently active option and...