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OPENSUSE-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 February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

openSUSE:Leap 15.3 kernel-64kb
openSUSE:Leap 15.3 kernel-debug
openSUSE:Leap 15.3 kernel-default
openSUSE:Leap 15.3 kernel-default-base
openSUSE:Leap 15.3 kernel-docs
openSUSE:Leap 15.3 kernel-kvmsmall
openSUSE:Leap 15.3 kernel-obs-build
openSUSE:Leap 15.3 kernel-obs-qa
openSUSE:Leap 15.3 kernel-preempt
openSUSE:Leap 15.3 kernel-source
openSUSE:Leap 15.3 kernel-syms
openSUSE:Leap 15.3 kernel-zfcpdump

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities openSUSE-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).

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05 / REFERENCES

Further evidence