CVE-2021-40153 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2021-40153 Interim 1 60 2026-03-05T05:14:38Z current 2021-08-31T00:55:58Z 2026-03-05T05:14:38Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2021-40153 squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not validated for traversal outside of the destination directory, and thus allows writing to locations outside of the destination. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://lists.suse.com/pipermail/sle-security-updates/2023-November/017023.html E-Mail link for SUSE-SU-2023:4424-1 https://lists.suse.com/pipermail/sle-security-updates/2023-November/017236.html E-Mail link for SUSE-SU-2023:4591-1 https://lists.suse.com/pipermail/sle-updates/2024-July/035988.html E-Mail link for SUSE-SU-2024:2463-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings Container bci/kiwi:9.24.43-10.1 Container suse/sle-micro-rancher/5.2:latest Container suse/sle-micro-rancher/5.3:latest Container suse/sle-micro-rancher/5.4:latest Container suse/sle-micro/base-5.5:2.0.4-5.8.118 HPE Helion OpenStack 8 SUSE Enterprise Storage 6 SUSE Enterprise Storage 7 SUSE Enterprise Storage 7.1 SUSE Liberty Linux 8 SUSE Liberty Linux 9 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Server 11 SP3 for Teradata SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP3-LTSS-TERADATA SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4-ESPOS SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP3-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Server 15 SP4-TERADATA SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Micro 6.0 SUSE Linux Micro 6.1 SUSE Manager Proxy 4.2 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Manager Retail Branch Server 4.2 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Manager Server 4.2 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9 openSUSE Leap 15.4 openSUSE Leap 15.5 openSUSE Leap Micro 5.3 openSUSE Leap Micro 5.4 openSUSE Leap Micro 5.5 openSUSE Tumbleweed squashfs squashfs-4.6.1-150300.3.3.1 squashfs-4.6.1-160000.2.2 squashfs-4.6.1-2.1 squashfs-4.6.1-3.7 squashfs-4.6.1-8.3.2 squashfs-4.6.1-slfo.1.1_1.2 squashfs-tools-4.3-21.el8 squashfs-tools-4.4-10.git1.el9 squashfs-4.6.1-150300.3.3.1 as a component of Container bci/kiwi:9.24.43-10.1 squashfs-4.6.1-150300.3.3.1 as a component of Container suse/sle-micro-rancher/5.2:latest squashfs-4.6.1-150300.3.3.1 as a component of Container suse/sle-micro-rancher/5.3:latest squashfs-4.6.1-150300.3.3.1 as a component of Container suse/sle-micro-rancher/5.4:latest squashfs-4.6.1-150300.3.3.1 as a component of Container suse/sle-micro/base-5.5:2.0.4-5.8.118 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Enterprise Storage 7.1 squashfs-tools-4.3-21.el8 as a component of SUSE Liberty Linux 8 squashfs-tools-4.4-10.git1.el9 as a component of SUSE Liberty Linux 9 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Micro 5.1 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Micro 5.2 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Micro 5.3 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Micro 5.4 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Micro 5.5 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP4 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 squashfs-4.6.1-8.3.2 as a component of SUSE Linux Enterprise Server 12 SP3-LTSS-TERADATA squashfs-4.6.1-8.3.2 as a component of SUSE Linux Enterprise Server 12 SP3-TERADATA squashfs-4.6.1-8.3.2 as a component of SUSE Linux Enterprise Server 12 SP5 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Server 15 SP3-LTSS squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Server 15 SP4-TERADATA squashfs-4.6.1-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 squashfs-4.6.1-8.3.2 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 squashfs-4.6.1-3.7 as a component of SUSE Linux Micro 6.0 squashfs-4.6.1-slfo.1.1_1.2 as a component of SUSE Linux Micro 6.1 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Manager Proxy 4.2 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Manager Retail Branch Server 4.2 squashfs-4.6.1-150300.3.3.1 as a component of SUSE Manager Server 4.2 squashfs-4.6.1-150300.3.3.1 as a component of openSUSE Leap 15.4 squashfs-4.6.1-150300.3.3.1 as a component of openSUSE Leap 15.5 squashfs-4.6.1-150300.3.3.1 as a component of openSUSE Leap Micro 5.3 squashfs-4.6.1-150300.3.3.1 as a component of openSUSE Leap Micro 5.4 squashfs-4.6.1-150300.3.3.1 as a component of openSUSE Leap Micro 5.5 squashfs-4.6.1-2.1 as a component of openSUSE Tumbleweed squashfs as a component of HPE Helion OpenStack 8 squashfs as a component of SUSE Enterprise Storage 6 squashfs as a component of SUSE Enterprise Storage 7 squashfs as a component of SUSE Linux Enterprise Server 11 SP3 for Teradata squashfs as a component of SUSE Linux Enterprise Server 12 SP2-BCL squashfs as a component of SUSE Linux Enterprise Server 12 SP4-ESPOS squashfs as a component of SUSE Linux Enterprise Server 12 SP4-LTSS squashfs as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 squashfs as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 squashfs as a component of SUSE OpenStack Cloud 8 squashfs as a component of SUSE OpenStack Cloud 9 squashfs as a component of SUSE OpenStack Cloud Crowbar 8 squashfs as a component of SUSE OpenStack Cloud Crowbar 9 squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not validated for traversal outside of the destination directory, and thus allows writing to locations outside of the destination. CVE-2021-40153 Container bci/kiwi:9.24.43-10.1:squashfs-4.6.1-150300.3.3.1 Container suse/sle-micro-rancher/5.2:latest:squashfs-4.6.1-150300.3.3.1 Container suse/sle-micro-rancher/5.3:latest:squashfs-4.6.1-150300.3.3.1 Container suse/sle-micro-rancher/5.4:latest:squashfs-4.6.1-150300.3.3.1 Container suse/sle-micro/base-5.5:2.0.4-5.8.118:squashfs-4.6.1-150300.3.3.1 SUSE Enterprise Storage 7.1:squashfs-4.6.1-150300.3.3.1 SUSE Liberty Linux 8:squashfs-tools-4.3-21.el8 SUSE Liberty Linux 9:squashfs-tools-4.4-10.git1.el9 SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Micro 5.1:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Micro 5.2:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Micro 5.3:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Micro 5.4:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Micro 5.5:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Module for Basesystem 15 SP4:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Module for Basesystem 15 SP5:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Module for Basesystem 15 SP6:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Server 12 SP3-LTSS-TERADATA:squashfs-4.6.1-8.3.2 SUSE Linux Enterprise Server 12 SP3-TERADATA:squashfs-4.6.1-8.3.2 SUSE Linux Enterprise Server 12 SP5:squashfs-4.6.1-8.3.2 SUSE Linux Enterprise Server 15 SP3-LTSS:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Server 15 SP4-TERADATA:squashfs-4.6.1-150300.3.3.1 SUSE Linux Enterprise Server 16.0:squashfs-4.6.1-160000.2.2 SUSE Linux Enterprise Server for SAP Applications 12 SP5:squashfs-4.6.1-8.3.2 SUSE Linux Enterprise Server for SAP Applications 15 SP3:squashfs-4.6.1-150300.3.3.1 SUSE Linux Micro 6.0:squashfs-4.6.1-3.7 SUSE Linux Micro 6.1:squashfs-4.6.1-slfo.1.1_1.2 SUSE Manager Proxy 4.2:squashfs-4.6.1-150300.3.3.1 SUSE Manager Retail Branch Server 4.2:squashfs-4.6.1-150300.3.3.1 SUSE Manager Server 4.2:squashfs-4.6.1-150300.3.3.1 openSUSE Leap 15.4:squashfs-4.6.1-150300.3.3.1 openSUSE Leap 15.5:squashfs-4.6.1-150300.3.3.1 openSUSE Leap Micro 5.3:squashfs-4.6.1-150300.3.3.1 openSUSE Leap Micro 5.4:squashfs-4.6.1-150300.3.3.1 openSUSE Leap Micro 5.5:squashfs-4.6.1-150300.3.3.1 openSUSE Tumbleweed:squashfs-4.6.1-2.1 moderate 5.8 AV:N/AC:M/Au:N/C:N/I:P/A:P 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N