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OpenAdvisories

Description

A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.

Affected products

VendorProductAffectedFixed
— kernel Linux kernel versions before 5.9-rc7 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 5.8.14-1 —
Debian 13 linux 5.8.14-1 —
Debian 12 linux 5.8.14-1 —
Debian 10 linux 4.19.152-1 DSA-4774-1
Debian 9 linux 4.9.246-1 DLA-2494-1
Debian 9 linux-4.19 4.19.152-1~deb9u1 DLA-2417-1
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-realtime +1 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-56.62 USN-4658-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1030.31 USN-4658-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1032.33 USN-4658-1
Ubuntu 20.04 LTS linux-gcp +1 5.4.0-1030.32 USN-4658-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1028.29 USN-4658-1
Ubuntu 20.04 LTS linux-oem-5.6 5.6.0-1053.57 USN-4912-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1023.26 USN-4658-1
Ubuntu 20.04 LTS linux-raspi2 No fix yet —
Ubuntu 20.04 LTS linux-riscv 5.4.0-37.42 —
Ubuntu 18.04 LTS linux 4.15.0-126.129 USN-4660-1
Ubuntu 18.04 LTS linux-aws 4.15.0-1088.93 USN-4660-1
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1030.31~18.04.1 USN-4658-1
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1100.111 USN-4660-1
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1032.33~18.04.1 USN-4658-1
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1007.11 —
Ubuntu 18.04 LTS linux-gcp +11 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1088.101 USN-4660-1
Ubuntu 18.04 LTS linux-gcp-5.4 +2 5.4.0-1030.32~18.04.1 USN-4658-1
Ubuntu 18.04 LTS linux-gkeop-5.4 5.4.0-1005.6 —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-56.62~18.04.1 USN-4658-1
Ubuntu 18.04 LTS linux-kvm 4.15.0-1079.81 USN-4660-1
Ubuntu 18.04 LTS linux-oem 4.15.0-1103.114 USN-4660-1
Ubuntu 18.04 LTS linux-oracle 4.15.0-1059.65 USN-4660-1
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1023.26~18.04.1 USN-4658-1
Ubuntu 18.04 LTS linux-raspi2 +1 4.15.0-1074.79 USN-4660-1
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1091.100 USN-4660-1
Ubuntu 16.04 LTS linux 4.4.0-197.229 USN-4657-1
Ubuntu 16.04 LTS linux-aws 4.4.0-1118.132 USN-4657-1
Ubuntu 16.04 LTS linux-aws-hwe 4.15.0-1088.93~16.04.1 USN-4660-1
Ubuntu 16.04 LTS linux-azure 4.15.0-1100.111~16.04.1 USN-4660-1
Ubuntu 16.04 LTS linux-gcp 4.15.0-1088.101~16.04.1 USN-4660-1
Ubuntu 16.04 LTS linux-hwe 4.15.0-126.129~16.04.1 USN-4660-1
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu 16.04 LTS linux-kvm 4.4.0-1084.93 USN-4657-1
Ubuntu 16.04 LTS linux-oracle 4.15.0-1059.65~16.04.1 USN-4660-1
Ubuntu 16.04 LTS linux-raspi2 4.4.0-1142.152 USN-4657-1
Ubuntu 16.04 LTS linux-snapdragon 4.4.0-1146.156 USN-4657-1
Show 10 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro FIPS 20.04 LTS linux-aws-fips +2 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1069.73+fips2 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1073.76+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1067.71~20.04.1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2031.32 LSN-0074-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2013.15 LSN-0074-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1046.53 LSN-0074-1
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1051.57 LSN-0074-1
Ubuntu Pro 20.04 LTS linux 5.4.0-62.70 LSN-0074-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1037.39 LSN-0074-1
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1039.41 LSN-0074-1
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1036.39 LSN-0074-1
Ubuntu Pro 20.04 LTS linux-gkeop 5.4.0-1009.10 LSN-0074-1
Ubuntu Pro 18.04 LTS linux 4.15.0-132.136 LSN-0074-1
Ubuntu Pro 18.04 LTS linux-gkeop-5.4 5.4.0-1009.10~18.04.1 LSN-0074-1
Ubuntu Pro 18.04 LTS linux-oem 4.15.0-1103.114 LSN-0074-1
Ubuntu Pro 16.04 LTS linux 4.4.0-262.296 LSN-0074-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1121.135 LSN-0074-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1106.118~16.04.1 LSN-0074-1
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1082.86 USN-4657-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1100.111~14.04.1 USN-4660-1
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-197.229~14.04.1 USN-4657-1, LSN-0074-1
ReleasePackageFixed inAdvisory
RHEL 8 perf +26 4.18.0-305.el8 RHSA-2021:1578
RHEL 7 kernel-rt +10 3.10.0-1160.21.1.rt56.1158.el7 RHSA-2021:0857
RHEL 7 perf +18 3.10.0-1160.21.1.el7 RHSA-2021:0856
ReleasePackageFixed inAdvisory
SLES 15 SP2 kernel-azure +2 5.3.18-18.24.1 SUSE-SU-2020:3491-1
SLES 15 SP2 kernel-default-base 5.3.18-24.29.2.9.9.3 SUSE-SU-2020:2980-1
SLES 15 SP2 kernel-docs +5 5.3.18-24.29.2 SUSE-SU-2020:2980-1
SLES 15 SP1 kernel-azure +2 4.12.14-8.52.1 SUSE-SU-2020:3484-1
SLES 15 SP1 kernel-docs +5 4.12.14-197.64.1 SUSE-SU-2020:2972-1
SLES 15 kernel-docs +6 4.12.14-150.63.1 SUSE-SU-2020:3532-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.34.1 SUSE-SU-2020:3281-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.46.1 SUSE-SU-2020:2981-1
SLES 12 SP4 kernel-syms +2 4.12.14-95.65.1 SUSE-SU-2020:3544-1
Show 23 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP3 kernel-syms +2 4.4.180-94.135.1 SUSE-SU-2020:3503-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_29 9-2.2 SUSE-SU-2020:3433-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_30 8-2.2 SUSE-SU-2020:3433-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_31 5-2.2 SUSE-SU-2020:3433-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_32 +1 4-2.2 SUSE-SU-2020:3433-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_34 4-2.1 SUSE-SU-2020:3433-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_35 3-2.1 SUSE-SU-2020:3433-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_36 1-4.5.1 SUSE-SU-2020:3656-1, SUSE-SU-2020:3503-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_37 +1 2-2.2 SUSE-SU-2021:1074-1, SUSE-SU-2021:0835-1
SLES 12 SP2 kernel-syms +2 4.4.121-92.146.1 SUSE-SU-2020:3501-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_33 9-2.2 SUSE-SU-2020:3433-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_34 6-2.2 SUSE-SU-2020:3433-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_35 4-2.2 SUSE-SU-2020:3433-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_36 4-2.1 SUSE-SU-2020:3433-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_37 3-2.1 SUSE-SU-2020:3433-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_38 1-3.5.1 SUSE-SU-2020:3648-1, SUSE-SU-2020:3501-1
SLES 12 SP2 kgraft-patch-SLE12-SP2_Update_39 2-2.2 SUSE-SU-2021:0835-1
SLES for SAP 15 kernel-docs +5 4.12.14-150.63.1 SUSE-SU-2020:3532-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.34.1 SUSE-SU-2020:3281-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.46.1 SUSE-SU-2020:2981-1
SLES for SAP 12 SP4 kernel-syms +2 4.12.14-95.65.1 SUSE-SU-2020:3544-1
SLES for SAP 12 SP3 kernel-syms +2 4.4.180-94.135.1 SUSE-SU-2020:3503-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_29 9-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_30 8-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_31 5-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_32 +1 4-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_34 4-2.1 SUSE-SU-2020:3433-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_35 3-2.1 SUSE-SU-2020:3433-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_36 1-4.5.1 SUSE-SU-2020:3656-1, SUSE-SU-2020:3503-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_37 +1 2-2.2 SUSE-SU-2021:1074-1, SUSE-SU-2021:0835-1
SLES for SAP 12 SP2 kernel-syms +2 4.4.121-92.146.1 SUSE-SU-2020:3501-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_33 9-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_34 6-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_35 4-2.2 SUSE-SU-2020:3433-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_36 4-2.1 SUSE-SU-2020:3433-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_37 3-2.1 SUSE-SU-2020:3433-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_38 1-3.5.1 SUSE-SU-2020:3648-1, SUSE-SU-2020:3501-1
SLES for SAP 12 SP2 kgraft-patch-SLE12-SP2_Update_39 2-2.2 SUSE-SU-2021:0835-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.19.1 SUSE-SU-2020:2999-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-24.29.2 SUSE-SU-2020:2980-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_0 4-11.2 SUSE-SU-2020:3389-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_1 4-2.1 SUSE-SU-2020:3389-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_2 +2 3-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_5 1-5.3.3 SUSE-SU-2020:2980-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-197.64.1 SUSE-SU-2020:2972-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_11 6-2.2 SUSE-SU-2020:3402-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_12 4-2.2 SUSE-SU-2020:3402-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_13 +1 4-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_15 3-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_16 2-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_17 1-3.3.1 SUSE-SU-2020:2972-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_7 +1 8-2.2 SUSE-SU-2020:3402-1, SUSE-SU-2020:3400-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_9 +1 7-2.2 SUSE-SU-2020:3402-1
SLE Live Patching 15 kernel-default 4.12.14-150.63.1 SUSE-SU-2020:3532-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_16 +1 8-2.2 SUSE-SU-2020:3449-1, SUSE-SU-2020:3441-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_18 4-2.2 SUSE-SU-2020:3441-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_19 4-2.1 SUSE-SU-2020:3441-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_20 3-2.1 SUSE-SU-2020:3441-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_21 1-1.5.1 SUSE-SU-2020:3532-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.46.1 SUSE-SU-2020:2981-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_0 8-21.2 SUSE-SU-2020:3400-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_1 +1 8-2.2 SUSE-SU-2020:3402-1, SUSE-SU-2020:3400-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_10 2-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_11 1-8.5.1 SUSE-SU-2020:2981-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_3 7-2.2 SUSE-SU-2020:3402-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_4 6-2.2 SUSE-SU-2020:3402-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_5 +1 4-2.2 SUSE-SU-2020:3402-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_7 +1 4-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_9 3-2.1 SUSE-SU-2020:3402-1
SLE Live Patching 12 SP4 kernel-default 4.12.14-95.65.1 SUSE-SU-2020:3544-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_10 +1 8-2.2 SUSE-SU-2020:3449-1, SUSE-SU-2020:3441-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_12 7-2.2 SUSE-SU-2020:3441-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_13 6-2.2 SUSE-SU-2020:3441-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_14 4-2.2 SUSE-SU-2020:3441-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_15 4-2.1 SUSE-SU-2020:3441-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_16 3-2.1 SUSE-SU-2020:3441-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_17 1-6.5.1 SUSE-SU-2020:3544-1
SLE HPC 15 kernel-docs +5 4.12.14-150.63.1 SUSE-SU-2020:3532-1
SUSE Real Time Module 15 SP2 kernel-rt +3 5.3.18-13.1 SUSE-SU-2020:3230-1
SUSE Real Time Module 15 SP1 kernel-rt +3 4.12.14-14.36.1 SUSE-SU-2020:3014-1
SUSE OpenStack Cloud Crowbar 9 kernel-syms +2 4.12.14-95.65.1 SUSE-SU-2020:3544-1
SUSE OpenStack Cloud Crowbar 8 kernel-syms +2 4.4.180-94.135.1 SUSE-SU-2020:3503-1
SUSE OpenStack Cloud Crowbar 8 kgraft-patch-SLE12-SP3_Update_36 1-4.5.1 SUSE-SU-2020:3503-1
SUSE OpenStack Cloud 9 kernel-syms +2 4.12.14-95.65.1 SUSE-SU-2020:3544-1
SUSE OpenStack Cloud 8 kernel-syms +2 4.4.180-94.135.1 SUSE-SU-2020:3503-1
SUSE OpenStack Cloud 8 kgraft-patch-SLE12-SP3_Update_36 1-4.5.1 SUSE-SU-2020:3503-1
SUSE OpenStack Cloud 7 kernel-syms +2 4.4.121-92.146.1 SUSE-SU-2020:3501-1
SUSE OpenStack Cloud 7 kgraft-patch-SLE12-SP2_Update_38 1-3.5.1 SUSE-SU-2020:3501-1
SUSE HPE Helion OpenStack 8 kernel-syms +2 4.4.180-94.135.1 SUSE-SU-2020:3503-1
SUSE HPE Helion OpenStack 8 kgraft-patch-SLE12-SP3_Update_36 1-4.5.1 SUSE-SU-2020:3503-1
SUSE Enterprise Storage 5 kernel-syms +2 4.4.180-94.135.1 SUSE-SU-2020:3503-1
SUSE Enterprise Storage 5 kgraft-patch-SLE12-SP3_Update_36 1-4.5.1 SUSE-SU-2020:3503-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.2 kernel-debug +5 5.3.18-lp152.47.2 openSUSE-SU-2020:1698-1
openSUSE Leap 15.2 kernel-default-base 5.3.18-lp152.50.1.lp152.8.10.1 openSUSE-SU-2020:2112-1
openSUSE Leap 15.2 kernel-docs +2 5.3.18-lp152.47.1 openSUSE-SU-2020:1698-1
openSUSE Leap 15.2 kernel-rt +3 5.3.18-lp152.3.5.1 openSUSE-SU-2021:0242-1
openSUSE Leap 15.1 kernel-docs +8 4.12.14-lp151.28.75.1 openSUSE-SU-2020:1682-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.200-155.322 1.0-0.amzn2 ALAS2-2020-1520
Amazon Linux 2 perf +8 4.14.200-155.322.amzn2 ALAS2-2020-1520

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 7 kernel-uek +8 4.14.35-2025.402.2.1.el7uek ELSA-2020-5913
Oracle Linux 7 perf +12 3.10.0-1160.21.1.el7 ELSA-2021-0856, ELSA-2020-5913

Advisories 41

References