SUSE: CVE-2021-20322: SUSE Linux Security Advisory
6
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
11/24/2021
12/28/2021
11/25/2021
12/14/2022
Description
A flaw in the processing of received ICMP errors (ICMP fragment needed and ICMP redirect) in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well.
Solution(s)
- suse-upgrade-cluster-md-kmp-64kb
- suse-upgrade-cluster-md-kmp-azure
- suse-upgrade-cluster-md-kmp-default
- suse-upgrade-cluster-md-kmp-preempt
- suse-upgrade-dlm-kmp-64kb
- suse-upgrade-dlm-kmp-azure
- suse-upgrade-dlm-kmp-default
- suse-upgrade-dlm-kmp-preempt
- suse-upgrade-dtb-al
- suse-upgrade-dtb-allwinner
- suse-upgrade-dtb-altera
- suse-upgrade-dtb-amd
- suse-upgrade-dtb-amlogic
- suse-upgrade-dtb-apm
- suse-upgrade-dtb-arm
- suse-upgrade-dtb-broadcom
- suse-upgrade-dtb-cavium
- suse-upgrade-dtb-exynos
- suse-upgrade-dtb-freescale
- suse-upgrade-dtb-hisilicon
- suse-upgrade-dtb-lg
- suse-upgrade-dtb-marvell
- suse-upgrade-dtb-mediatek
- suse-upgrade-dtb-nvidia
- suse-upgrade-dtb-qcom
- suse-upgrade-dtb-renesas
- suse-upgrade-dtb-rockchip
- suse-upgrade-dtb-socionext
- suse-upgrade-dtb-sprd
- suse-upgrade-dtb-xilinx
- suse-upgrade-dtb-zte
- suse-upgrade-gfs2-kmp-64kb
- suse-upgrade-gfs2-kmp-azure
- suse-upgrade-gfs2-kmp-default
- suse-upgrade-gfs2-kmp-preempt
- suse-upgrade-kernel-64kb
- suse-upgrade-kernel-64kb-devel
- suse-upgrade-kernel-64kb-extra
- suse-upgrade-kernel-64kb-livepatch-devel
- suse-upgrade-kernel-64kb-optional
- suse-upgrade-kernel-azure
- suse-upgrade-kernel-azure-base
- suse-upgrade-kernel-azure-devel
- suse-upgrade-kernel-azure-extra
- suse-upgrade-kernel-azure-livepatch-devel
- suse-upgrade-kernel-azure-optional
- suse-upgrade-kernel-debug
- suse-upgrade-kernel-debug-base
- suse-upgrade-kernel-debug-devel
- suse-upgrade-kernel-debug-livepatch-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-kgraft
- suse-upgrade-kernel-default-kgraft-devel
- 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-base
- suse-upgrade-kernel-kvmsmall-devel
- suse-upgrade-kernel-kvmsmall-livepatch-devel
- suse-upgrade-kernel-livepatch-4_12_14-150_66-default
- suse-upgrade-kernel-livepatch-4_12_14-150_69-default
- suse-upgrade-kernel-livepatch-4_12_14-150_72-default
- suse-upgrade-kernel-livepatch-4_12_14-150_75-default
- suse-upgrade-kernel-livepatch-4_12_14-150_78-default
- suse-upgrade-kernel-livepatch-4_12_14-197_102-default
- suse-upgrade-kernel-livepatch-4_12_14-197_75-default
- suse-upgrade-kernel-livepatch-4_12_14-197_78-default
- suse-upgrade-kernel-livepatch-4_12_14-197_83-default
- suse-upgrade-kernel-livepatch-4_12_14-197_86-default
- suse-upgrade-kernel-livepatch-4_12_14-197_89-default
- suse-upgrade-kernel-livepatch-4_12_14-197_92-default
- suse-upgrade-kernel-livepatch-4_12_14-197_99-default
- suse-upgrade-kernel-livepatch-5_3_18-24_43-default
- suse-upgrade-kernel-livepatch-5_3_18-24_46-default
- suse-upgrade-kernel-livepatch-5_3_18-24_49-default
- suse-upgrade-kernel-livepatch-5_3_18-24_52-default
- suse-upgrade-kernel-livepatch-5_3_18-24_53_4-default
- suse-upgrade-kernel-livepatch-5_3_18-24_61-default
- suse-upgrade-kernel-livepatch-5_3_18-24_64-default
- suse-upgrade-kernel-livepatch-5_3_18-24_67-default
- suse-upgrade-kernel-livepatch-5_3_18-24_70-default
- suse-upgrade-kernel-livepatch-5_3_18-24_75-default
- suse-upgrade-kernel-livepatch-5_3_18-24_78-default
- suse-upgrade-kernel-livepatch-5_3_18-24_83-default
- suse-upgrade-kernel-livepatch-5_3_18-24_86-default
- suse-upgrade-kernel-livepatch-5_3_18-24_93-default
- suse-upgrade-kernel-livepatch-5_3_18-24_96-default
- suse-upgrade-kernel-livepatch-5_3_18-57-default
- suse-upgrade-kernel-livepatch-5_3_18-59_10-default
- suse-upgrade-kernel-livepatch-5_3_18-59_13-default
- suse-upgrade-kernel-livepatch-5_3_18-59_16-default
- suse-upgrade-kernel-livepatch-5_3_18-59_19-default
- suse-upgrade-kernel-livepatch-5_3_18-59_24-default
- suse-upgrade-kernel-livepatch-5_3_18-59_27-default
- suse-upgrade-kernel-livepatch-5_3_18-59_34-default
- suse-upgrade-kernel-livepatch-5_3_18-59_37-default
- suse-upgrade-kernel-livepatch-5_3_18-59_5-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-livepatch-devel
- 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-vanilla
- suse-upgrade-kernel-vanilla-base
- suse-upgrade-kernel-vanilla-devel
- suse-upgrade-kernel-vanilla-livepatch-devel
- suse-upgrade-kernel-zfcpdump
- suse-upgrade-kernel-zfcpdump-man
- suse-upgrade-kgraft-patch-4_12_14-122_103-default
- suse-upgrade-kgraft-patch-4_12_14-122_54-default
- suse-upgrade-kgraft-patch-4_12_14-122_57-default
- suse-upgrade-kgraft-patch-4_12_14-122_60-default
- suse-upgrade-kgraft-patch-4_12_14-122_63-default
- suse-upgrade-kgraft-patch-4_12_14-122_66-default
- suse-upgrade-kgraft-patch-4_12_14-122_71-default
- suse-upgrade-kgraft-patch-4_12_14-122_74-default
- suse-upgrade-kgraft-patch-4_12_14-122_77-default
- suse-upgrade-kgraft-patch-4_12_14-122_80-default
- suse-upgrade-kgraft-patch-4_12_14-122_83-default
- suse-upgrade-kgraft-patch-4_12_14-122_88-default
- suse-upgrade-kgraft-patch-4_12_14-122_91-default
- suse-upgrade-kgraft-patch-4_12_14-122_98-default
- suse-upgrade-kgraft-patch-4_12_14-95_68-default
- suse-upgrade-kgraft-patch-4_12_14-95_71-default
- suse-upgrade-kgraft-patch-4_12_14-95_74-default
- suse-upgrade-kgraft-patch-4_12_14-95_77-default
- suse-upgrade-kgraft-patch-4_12_14-95_80-default
- suse-upgrade-kgraft-patch-4_12_14-95_83-default
- suse-upgrade-kgraft-patch-4_4_180-94_138-default
- suse-upgrade-kgraft-patch-4_4_180-94_141-default
- suse-upgrade-kgraft-patch-4_4_180-94_144-default
- suse-upgrade-kgraft-patch-4_4_180-94_147-default
- suse-upgrade-kgraft-patch-4_4_180-94_150-default
- suse-upgrade-kselftests-kmp-64kb
- suse-upgrade-kselftests-kmp-azure
- suse-upgrade-kselftests-kmp-default
- suse-upgrade-kselftests-kmp-preempt
- suse-upgrade-ocfs2-kmp-64kb
- suse-upgrade-ocfs2-kmp-azure
- suse-upgrade-ocfs2-kmp-default
- suse-upgrade-ocfs2-kmp-preempt
- suse-upgrade-reiserfs-kmp-64kb
- suse-upgrade-reiserfs-kmp-azure
- suse-upgrade-reiserfs-kmp-default
- suse-upgrade-reiserfs-kmp-preempt
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