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SUSE: CVE-2021-20177: SUSE Linux Security Advisory

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SUSE: CVE-2021-20177: SUSE Linux Security Advisory

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
02/06/2021
Created
02/09/2021
Added
02/06/2021
Modified
10/26/2022

Description

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.

Solution(s)

  • suse-upgrade-cluster-md-kmp-default
  • suse-upgrade-dlm-kmp-default
  • suse-upgrade-gfs2-kmp-default
  • suse-upgrade-kernel-64kb
  • suse-upgrade-kernel-64kb-devel
  • suse-upgrade-kernel-64kb-extra
  • suse-upgrade-kernel-64kb-optional
  • suse-upgrade-kernel-azure
  • suse-upgrade-kernel-azure-base
  • suse-upgrade-kernel-azure-devel
  • suse-upgrade-kernel-debug
  • suse-upgrade-kernel-debug-devel
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-base
  • suse-upgrade-kernel-default-base-rebuild
  • suse-upgrade-kernel-default-devel
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-default-livepatch
  • suse-upgrade-kernel-default-livepatch-devel
  • suse-upgrade-kernel-default-man
  • suse-upgrade-kernel-default-optional
  • suse-upgrade-kernel-devel
  • suse-upgrade-kernel-devel-azure
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-docs-html
  • suse-upgrade-kernel-kvmsmall
  • suse-upgrade-kernel-kvmsmall-devel
  • suse-upgrade-kernel-livepatch-4_12_14-197_83-default
  • suse-upgrade-kernel-livepatch-5_3_18-24_49-default
  • suse-upgrade-kernel-macros
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-kernel-obs-qa
  • suse-upgrade-kernel-preempt
  • suse-upgrade-kernel-preempt-devel
  • suse-upgrade-kernel-preempt-extra
  • suse-upgrade-kernel-preempt-optional
  • suse-upgrade-kernel-source
  • suse-upgrade-kernel-source-azure
  • suse-upgrade-kernel-source-vanilla
  • suse-upgrade-kernel-syms
  • suse-upgrade-kernel-syms-azure
  • suse-upgrade-kernel-zfcpdump
  • suse-upgrade-ocfs2-kmp-default
  • suse-upgrade-reiserfs-kmp-default

References

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