A Linux Kernel security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:2415-1: important: Security update for the Linux Kernel

openSUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:2415-1
Rating: important
References: #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 fixes two vulnerabilities is now available.

Description:

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

Security issues fixed:

- CVE-2021-22555: A heap out-of-bounds write was discovered in
net/netfilter/x_tables.c (bnc#1188116).
- CVE-2021-33909: Extremely large seq buffer allocations in seq_file could
lead to buffer underruns and code execution (bsc#1188062).

The following non-security bugs were fixed:

- usb: dwc3: Fix debugfs creation flow (git-fixes).

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-15.3-2021-2415=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

cluster-md-kmp-default-5.3.18-59.16.1
cluster-md-kmp-default-debuginfo-5.3.18-59.16.1
dlm-kmp-default-5.3.18-59.16.1
dlm-kmp-default-debuginfo-5.3.18-59.16.1
gfs2-kmp-default-5.3.18-59.16.1
gfs2-kmp-default-debuginfo-5.3.18-59.16.1
kernel-default-5.3.18-59.16.1
kernel-default-base-5.3.18-59.16.1.18.8.1
kernel-default-base-rebuild-5.3.18-59.16.1.18.8.1
kernel-default-debuginfo-5.3.18-59.16.1
kernel-default-debugsource-5.3.18-59.16.1
kernel-default-devel-5.3.18-59.16.1
kernel-default-devel-debuginfo-5.3.18-59.16.1
kernel-default-extra-5.3.18-59.16.1
kernel-default-extra-debuginfo-5.3.18-59.16.1
kernel-default-livepatch-5.3.18-59.16.1
kernel-default-livepatch-devel-5.3.18-59.16.1
kernel-default-optional-5.3.18-59.16.1
kernel-default-optional-debuginfo-5.3.18-59.16.1
kernel-obs-build-5.3.18-59.16.1
kernel-obs-build-debugsource-5.3.18-59.16.1
kernel-obs-qa-5.3.18-59.16.1
kernel-syms-5.3.18-59.16.1
kselftests-kmp-default-5.3.18-59.16.1
kselftests-kmp-default-debuginfo-5.3.18-59.16.1
ocfs2-kmp-default-5.3.18-59.16.1
ocfs2-kmp-default-debuginfo-5.3.18-59.16.1
reiserfs-kmp-default-5.3.18-59.16.1
reiserfs-kmp-default-debuginfo-5.3.18-59.16.1

- openSUSE Leap 15.3 (ppc64le x86_64):

kernel-debug-5.3.18-59.16.1
kernel-debug-debuginfo-5.3.18-59.16.1
kernel-debug-debugsource-5.3.18-59.16.1
kernel-debug-devel-5.3.18-59.16.1
kernel-debug-devel-debuginfo-5.3.18-59.16.1
kernel-debug-livepatch-devel-5.3.18-59.16.1
kernel-kvmsmall-5.3.18-59.16.1
kernel-kvmsmall-debuginfo-5.3.18-59.16.1
kernel-kvmsmall-debugsource-5.3.18-59.16.1
kernel-kvmsmall-devel-5.3.18-59.16.1
kernel-kvmsmall-devel-debuginfo-5.3.18-59.16.1
kernel-kvmsmall-livepatch-devel-5.3.18-59.16.1

- openSUSE Leap 15.3 (aarch64 x86_64):

cluster-md-kmp-preempt-5.3.18-59.16.1
cluster-md-kmp-preempt-debuginfo-5.3.18-59.16.1
dlm-kmp-preempt-5.3.18-59.16.1
dlm-kmp-preempt-debuginfo-5.3.18-59.16.1
gfs2-kmp-preempt-5.3.18-59.16.1
gfs2-kmp-preempt-debuginfo-5.3.18-59.16.1
kernel-preempt-5.3.18-59.16.1
kernel-preempt-debuginfo-5.3.18-59.16.1
kernel-preempt-debugsource-5.3.18-59.16.1
kernel-preempt-devel-5.3.18-59.16.1
kernel-preempt-devel-debuginfo-5.3.18-59.16.1
kernel-preempt-extra-5.3.18-59.16.1
kernel-preempt-extra-debuginfo-5.3.18-59.16.1
kernel-preempt-livepatch-devel-5.3.18-59.16.1
kernel-preempt-optional-5.3.18-59.16.1
kernel-preempt-optional-debuginfo-5.3.18-59.16.1
kselftests-kmp-preempt-5.3.18-59.16.1
kselftests-kmp-preempt-debuginfo-5.3.18-59.16.1
ocfs2-kmp-preempt-5.3.18-59.16.1
ocfs2-kmp-preempt-debuginfo-5.3.18-59.16.1
reiserfs-kmp-preempt-5.3.18-59.16.1
reiserfs-kmp-preempt-debuginfo-5.3.18-59.16.1

- openSUSE Leap 15.3 (aarch64):

cluster-md-kmp-64kb-5.3.18-59.16.1
cluster-md-kmp-64kb-debuginfo-5.3.18-59.16.1
dlm-kmp-64kb-5.3.18-59.16.1
dlm-kmp-64kb-debuginfo-5.3.18-59.16.1
gfs2-kmp-64kb-5.3.18-59.16.1
gfs2-kmp-64kb-debuginfo-5.3.18-59.16.1
kernel-64kb-5.3.18-59.16.1
kernel-64kb-debuginfo-5.3.18-59.16.1
kernel-64kb-debugsource-5.3.18-59.16.1
kernel-64kb-devel-5.3.18-59.16.1
kernel-64kb-devel-debuginfo-5.3.18-59.16.1
kernel-64kb-extra-5.3.18-59.16.1
kernel-64kb-extra-debuginfo-5.3.18-59.16.1
kernel-64kb-livepatch-devel-5.3.18-59.16.1
kernel-64kb-optional-5.3.18-59.16.1
kernel-64kb-optional-debuginfo-5.3.18-59.16.1
kselftests-kmp-64kb-5.3.18-59.16.1
kselftests-kmp-64kb-debuginfo-5.3.18-59.16.1
ocfs2-kmp-64kb-5.3.18-59.16.1
ocfs2-kmp-64kb-debuginfo-5.3.18-59.16.1
reiserfs-kmp-64kb-5.3.18-59.16.1
reiserfs-kmp-64kb-debuginfo-5.3.18-59.16.1

- openSUSE Leap 15.3 (noarch):

kernel-devel-5.3.18-59.16.1
kernel-docs-5.3.18-59.16.1
kernel-docs-html-5.3.18-59.16.1
kernel-macros-5.3.18-59.16.1
kernel-source-5.3.18-59.16.1
kernel-source-vanilla-5.3.18-59.16.1

- openSUSE Leap 15.3 (s390x):

kernel-zfcpdump-5.3.18-59.16.1
kernel-zfcpdump-debuginfo-5.3.18-59.16.1
kernel-zfcpdump-debugsource-5.3.18-59.16.1

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/1188062
  https://bugzilla.suse.com/1188116