openSUSE Security Update: Security update for the Linux Kernel ______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:2409-1 Rating: important References: #1152489 #1182470 #1185486 #1187927 #1187972 #1187980 #1188062 #1188116 Cross-References: CVE-2021-22555 CVE-2021-33909 CVSS scores: CVE-2021-22555 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-22555 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-33909 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________

An update that solves two vulnerabilities and has 6 fixes is now available.

Description:

The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

- CVE-2021-22555: A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c (bnc#1188116 ). - CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to obtain full root privileges (bsc#1188062).

The following non-security bugs were fixed:

- ceph: must hold snap_rwsem when filling inode for async create (bsc#1187927). - cgroup1: do not allow '\n' in renaming (bsc#1187972). - qla2xxx: synchronize rport dev_loss_tmo setting (bsc#1182470 bsc#1185486). - scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM (bsc#1187980). - usb: dwc3: Fix debugfs creation flow (git-fixes). - x86/pkru: Write hardware init value to PKRU when xstate is init (bsc#1152489). - x86/process: Check PF_KTHREAD and not current->mm for kernel threads (bsc#1152489).

Special Instructions and Notes:

Please reboot the system after installing this update.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2409=1

Package List:

- openSUSE Leap 15.3 (x86_64):

cluster-md-kmp-azure-5.3.18-38.14.1 cluster-md-kmp-azure-debuginfo-5.3.18-38.14.1 dlm-kmp-azure-5.3.18-38.14.1 dlm-kmp-azure-debuginfo-5.3.18-38.14.1 gfs2-kmp-azure-5.3.18-38.14.1 gfs2-kmp-azure-debuginfo-5.3.18-38.14.1 kernel-azure-5.3.18-38.14.1 kernel-azure-debuginfo-5.3.18-38.14.1 kernel-azure-debugsource-5.3.18-38.14.1 kernel-azure-devel-5.3.18-38.14.1 kernel-azure-devel-debuginfo-5.3.18-38.14.1 kernel-azure-extra-5.3.18-38.14.1 kernel-azure-extra-debuginfo-5.3.18-38.14.1 kernel-azure-livepatch-devel-5.3.18-38.14.1 kernel-azure-optional-5.3.18-38.14.1 kernel-azure-optional-debuginfo-5.3.18-38.14.1 kernel-syms-azure-5.3.18-38.14.1 kselftests-kmp-azure-5.3.18-38.14.1 kselftests-kmp-azure-debuginfo-5.3.18-38.14.1 ocfs2-kmp-azure-5.3.18-38.14.1 ocfs2-kmp-azure-debuginfo-5.3.18-38.14.1 reiserfs-kmp-azure-5.3.18-38.14.1 reiserfs-kmp-azure-debuginfo-5.3.18-38.14.1

- openSUSE Leap 15.3 (noarch):

kernel-devel-azure-5.3.18-38.14.1 kernel-source-azure-5.3.18-38.14.1

References:

https://www.suse.com/security/cve/CVE-2021-22555.html https://www.suse.com/security/cve/CVE-2021-33909.html https://bugzilla.suse.com/1152489 https://bugzilla.suse.com/1182470 https://bugzilla.suse.com/1185486 https://bugzilla.suse.com/1187927 https://bugzilla.suse.com/1187972 https://bugzilla.suse.com/1187980 https://bugzilla.suse.com/1188062 https://bugzilla.suse.com/1188116