Security update for the Linux Kernel
Announcement ID: | SUSE-SU-2021:2409-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves two vulnerabilities and has six security fixes can now be installed.
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 SUSE 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 SUSE-2021-2409=1
-
Public Cloud Module 15-SP3
zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP3-2021-2409=1
Package List:
-
openSUSE Leap 15.3 (x86_64)
- kselftests-kmp-azure-5.3.18-38.14.1
- cluster-md-kmp-azure-5.3.18-38.14.1
- dlm-kmp-azure-5.3.18-38.14.1
- kselftests-kmp-azure-debuginfo-5.3.18-38.14.1
- kernel-azure-extra-5.3.18-38.14.1
- ocfs2-kmp-azure-5.3.18-38.14.1
- dlm-kmp-azure-debuginfo-5.3.18-38.14.1
- kernel-azure-debuginfo-5.3.18-38.14.1
- cluster-md-kmp-azure-debuginfo-5.3.18-38.14.1
- reiserfs-kmp-azure-debuginfo-5.3.18-38.14.1
- gfs2-kmp-azure-5.3.18-38.14.1
- ocfs2-kmp-azure-debuginfo-5.3.18-38.14.1
- kernel-azure-debugsource-5.3.18-38.14.1
- kernel-azure-devel-debuginfo-5.3.18-38.14.1
- reiserfs-kmp-azure-5.3.18-38.14.1
- kernel-azure-devel-5.3.18-38.14.1
- kernel-azure-optional-5.3.18-38.14.1
- kernel-azure-livepatch-devel-5.3.18-38.14.1
- kernel-azure-optional-debuginfo-5.3.18-38.14.1
- gfs2-kmp-azure-debuginfo-5.3.18-38.14.1
- kernel-syms-azure-5.3.18-38.14.1
- kernel-azure-extra-debuginfo-5.3.18-38.14.1
-
openSUSE Leap 15.3 (nosrc x86_64)
- kernel-azure-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
-
Public Cloud Module 15-SP3 (nosrc x86_64)
- kernel-azure-5.3.18-38.14.1
-
Public Cloud Module 15-SP3 (x86_64)
- kernel-azure-debugsource-5.3.18-38.14.1
- kernel-azure-devel-debuginfo-5.3.18-38.14.1
- kernel-syms-azure-5.3.18-38.14.1
- kernel-azure-devel-5.3.18-38.14.1
- kernel-azure-debuginfo-5.3.18-38.14.1
-
Public Cloud Module 15-SP3 (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/show_bug.cgi?id=1152489
- https://bugzilla.suse.com/show_bug.cgi?id=1182470
- https://bugzilla.suse.com/show_bug.cgi?id=1185486
- https://bugzilla.suse.com/show_bug.cgi?id=1187927
- https://bugzilla.suse.com/show_bug.cgi?id=1187972
- https://bugzilla.suse.com/show_bug.cgi?id=1187980
- https://bugzilla.suse.com/show_bug.cgi?id=1188062
- https://bugzilla.suse.com/show_bug.cgi?id=1188116