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OpenAdvisories
Unscored CVE-2020-25670 EUVD-2020-18332GHSA-pgpg-jxv7-9vp5

A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege esca…

Published May 26, 2021 · Updated Aug 4, 2024 · Assigned by redhat

Description

A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.

Affected products

VendorProductAffectedFixed
— Linux Kernel All —

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 5.10.38-1 —
Debian 13 linux 5.10.38-1 —
Debian 12 linux 5.10.38-1 —
Debian 9 linux 4.9.272-1 DLA-2689-1
Debian 9 linux-4.19 4.19.194-1~deb9u1 DLA-2690-1
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 5.4.0-74.83 USN-4982-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1049.51 USN-4982-1
Ubuntu 20.04 LTS linux-aws-5.8 5.8.0-1038.40~20.04.1 USN-4999-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1048.50 USN-4982-1
Ubuntu 20.04 LTS linux-azure-5.8 5.8.0-1036.38~20.04.1 USN-4999-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1012.15 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1044.47 USN-4982-1
Ubuntu 20.04 LTS linux-gcp-5.8 5.8.0-1035.37~20.04.1 USN-4999-1
Ubuntu 20.04 LTS linux-gke 5.4.0-1044.46 USN-4982-1
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1016.17 USN-4982-1
Ubuntu 20.04 LTS linux-hwe-5.8 5.8.0-59.66~20.04.1 USN-4999-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1040.41 USN-4982-1
Ubuntu 20.04 LTS linux-oem-5.10 5.10.0-1025.26 USN-4948-1
Ubuntu 20.04 LTS linux-oracle 5.4.0-1046.50 USN-4982-1
Ubuntu 20.04 LTS linux-oracle-5.8 5.8.0-1033.34~20.04.1 USN-4999-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1036.39 USN-4982-1
Ubuntu 20.04 LTS linux-riscv +2 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.8 5.8.0-29.31~20.04.1 —
Ubuntu 18.04 LTS linux 4.15.0-144.148 USN-4979-1
Ubuntu 18.04 LTS linux-aws 4.15.0-1103.110 USN-4979-1
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1049.51~18.04.1 USN-4982-1
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1115.128 USN-4979-1
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1048.50~18.04.1 USN-4982-1
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1022.26 —
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1100.113 USN-4979-1
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1044.47~18.04.2 USN-4982-1
Ubuntu 18.04 LTS linux-gke-5.4 5.4.0-1044.46~18.04.1 USN-4982-1
Ubuntu 18.04 LTS linux-gkeop-5.4 5.4.0-1016.17~18.04.1 USN-4982-1
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-74.83~18.04.1 USN-4982-1
Ubuntu 18.04 LTS linux-kvm 4.15.0-1092.94 USN-4979-1
Ubuntu 18.04 LTS linux-oracle 4.15.0-1072.80 USN-4979-1
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1046.50~18.04.2 USN-4982-1
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1036.39~18.04.1 USN-4982-1
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1086.91 USN-4979-1
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1103.112 USN-4979-1
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 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 4.15.0-2045.47 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2027.30 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1060.68 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1072.78 —
Ubuntu Pro 16.04 LTS linux 4.4.0-222.255 USN-5343-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1138.152 USN-5343-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1103.110~16.04.1 USN-4979-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1115.128~16.04.1 USN-4979-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1100.113~16.04.1 USN-4979-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-144.148~16.04.1 USN-4979-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1103.112 USN-5343-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1072.80~16.04.1 USN-4979-1
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1102.107 USN-5343-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1115.128~14.04.1 USN-4979-1
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-222.255~14.04.1 USN-5343-1
ReleasePackageFixed inAdvisory
SLES 15 SP3 kernel-64kb +5 5.3.18-59.5.2 SUSE-SU-2021:1977-1
SLES 15 SP3 kernel-azure +2 5.3.18-38.3.1 SUSE-SU-2021:1975-1
SLES 15 SP3 kernel-default-base 5.3.18-59.5.2.18.2.2 SUSE-SU-2021:1977-1
SLES 15 SP3 kernel-syms +1 5.3.18-59.5.1 SUSE-SU-2021:1977-1
SLES 15 SP2 kernel-azure +2 5.3.18-18.44.1 SUSE-SU-2021:1301-1
SLES 15 SP2 kernel-default-base 5.3.18-24.61.1.9.26.4 SUSE-SU-2021:1238-1
SLES 15 SP2 kernel-docs +5 5.3.18-24.61.1 SUSE-SU-2021:1238-1
SLES 15 SP1 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SLES 15 SP1 kernel-syms +4 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLES 15 kernel-docs 4.12.14-150.72.2 SUSE-SU-2021:1573-1
SLES 15 kernel-syms +5 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.53.1 SUSE-SU-2021:1248-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.66.2 SUSE-SU-2021:1210-1
Show 28 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP4 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SLES 12 SP3 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_37 14-2.2 SUSE-SU-2022:0325-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_38 13-2.2 SUSE-SU-2022:0325-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SLES 12 SP2 kernel-syms +2 4.4.121-92.155.1 SUSE-SU-2021:1617-1
SLES for SAP 15 SP1 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SLES for SAP 15 SP1 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLES for SAP 15 kernel-docs 4.12.14-150.72.2 SUSE-SU-2021:1573-1
SLES for SAP 15 kernel-syms +4 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.53.1 SUSE-SU-2021:1248-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.66.2 SUSE-SU-2021:1210-1
SLES for SAP 12 SP4 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SLES for SAP 12 SP3 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_37 14-2.2 SUSE-SU-2022:0325-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_38 13-2.2 SUSE-SU-2022:0325-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.40.1 SUSE-SU-2021:1266-1
SLE Micro 5.0 kernel-default 5.3.18-24.61.1 SUSE-SU-2021:1238-1
SLE Micro 5.0 kernel-default-base 5.3.18-24.61.1.9.26.4 SUSE-SU-2021:1238-1
SLE Micro 5.0 kernel-rt 5.3.18-8.7.1 SUSE-SU-2021:1625-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-59.5.2 SUSE-SU-2021:1977-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_0 10-3.2 SUSE-SU-2022:0293-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_1 1-7.5.1 SUSE-SU-2021:1977-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-24.61.1 SUSE-SU-2021:1238-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_10 14-2.2 SUSE-SU-2022:0291-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_11 13-2.2 SUSE-SU-2022:0291-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_12 1-5.3.4 SUSE-SU-2021:1238-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_22 14-2.2 SUSE-SU-2022:0263-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_23 13-2.2 SUSE-SU-2022:0234-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_24 1-3.3.2 SUSE-SU-2021:1624-1
SLE Live Patching 15 kernel-default 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_22 14-2.2 SUSE-SU-2022:0255-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_23 13-2.2 SUSE-SU-2022:0243-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_24 1-1.3.1 SUSE-SU-2021:1573-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.66.2 SUSE-SU-2021:1210-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_15 14-2.2 SUSE-SU-2022:0263-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_16 13-2.2 SUSE-SU-2022:0234-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_17 1-8.3.2 SUSE-SU-2021:1210-1
SLE Live Patching 12 SP4 kernel-default 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_18 14-2.2 SUSE-SU-2022:0296-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_19 13-2.2 SUSE-SU-2022:0296-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_20 1-6.3.1 SUSE-SU-2021:1596-1
SLE HPC 15 SP1 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SLE HPC 15 SP1 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLE HPC 15 kernel-docs 4.12.14-150.72.2 SUSE-SU-2021:1573-1
SLE HPC 15 kernel-syms +4 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SUSE Real Time Module 15 SP2 kernel-rt +3 5.3.18-33.1 SUSE-SU-2021:1211-1
SUSE OpenStack Cloud Crowbar 9 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SUSE OpenStack Cloud Crowbar 8 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SUSE OpenStack Cloud Crowbar 8 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SUSE OpenStack Cloud 9 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SUSE OpenStack Cloud 8 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SUSE OpenStack Cloud 8 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SUSE Manager Server 4.0 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Manager Server 4.0 kernel-syms +4 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SUSE Manager Retail Branch Server 4.0 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Manager Retail Branch Server 4.0 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SUSE Manager Proxy 4.0 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Manager Proxy 4.0 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SUSE HPE Helion OpenStack 8 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SUSE HPE Helion OpenStack 8 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SUSE Enterprise Storage 6 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Enterprise Storage 6 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.3 kernel-64kb +7 5.3.18-59.5.2 openSUSE-SU-2021:1977-1
openSUSE Leap 15.3 kernel-azure +2 5.3.18-38.3.1 openSUSE-SU-2021:1975-1
openSUSE Leap 15.3 kernel-default-base 5.3.18-59.5.2.18.2.2 openSUSE-SU-2021:1977-1
openSUSE Leap 15.3 kernel-syms +2 5.3.18-59.5.1 openSUSE-SU-2021:1977-1
openSUSE Leap 15.2 kernel-default-base 5.3.18-lp152.72.1.lp152.8.30.1 openSUSE-SU-2021:0579-1
openSUSE Leap 15.2 kernel-docs +8 5.3.18-lp152.72.1 openSUSE-SU-2021:0579-1
openSUSE Leap 15.2 kernel-rt +3 5.3.18-lp152.3.8.1 openSUSE-SU-2021:0758-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.231-173.360 1.0-0.amzn2 ALAS2-2021-1627
Amazon Linux 2 perf +8 4.14.231-173.360.amzn2 ALAS2-2021-1627

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 7 kernel-uek-container 4.14.35-2047.506.8.el7 ELSA-2021-9410, ELSA-2021-9363
Oracle Linux 7 kernel-uek-container-debug 5.4.17-2102.203.5.el8 ELSA-2021-9363
Oracle Linux 7 perf +10 4.14.35-2047.506.8.el7uek ELSA-2021-9407, ELSA-2021-9362

Advisories 38

References