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SUSE-SU-2021:2415-1
Not scored
Security update for the Linux Kernel
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).
Exploit probability
Not scored
Published
July 20, 2021
Required by
Not available
Last source change
May 2, 2025
02 / AFFECTED SOFTWARE
Affected packages
SUSE:Linux Enterprise High Availability Extension 15 SP3
kernel-default
SUSE:Linux Enterprise Live Patching 15 SP3
kernel-default
SUSE:Linux Enterprise Live Patching 15 SP3
kernel-livepatch-SLE15-SP3_Update_4
SUSE:Linux Enterprise Module for Basesystem 15 SP3
kernel-64kb
SUSE:Linux Enterprise Module for Basesystem 15 SP3
kernel-default
SUSE:Linux Enterprise Module for Basesystem 15 SP3
kernel-default-base
SUSE:Linux Enterprise Module for Basesystem 15 SP3
kernel-preempt
SUSE:Linux Enterprise Module for Basesystem 15 SP3
kernel-source
SUSE:Linux Enterprise Module for Basesystem 15 SP3
kernel-zfcpdump
SUSE:Linux Enterprise Module for Development Tools 15 SP3
kernel-docs
SUSE:Linux Enterprise Module for Development Tools 15 SP3
kernel-obs-build
SUSE:Linux Enterprise Module for Development Tools 15 SP3
kernel-preempt
SUSE:Linux Enterprise Module for Development Tools 15 SP3
kernel-source
SUSE:Linux Enterprise Module for Development Tools 15 SP3
kernel-syms
SUSE:Linux Enterprise Module for Legacy 15 SP3
kernel-default
SUSE:Linux Enterprise Workstation Extension 15 SP3
kernel-default
SUSE:Linux Enterprise Workstation Extension 15 SP3
kernel-preempt
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
SUSE-SU-2021:2415-1
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).
View original source ↗
05 / REFERENCES
Further evidence