CVE-2021-20316
Fixed in a distro release EPSS 1%
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
Products: samba, debian_linux, redhat virtualization_host, redhat enterprise_linux, redhat enterprise_linux_aus, redhat enterprise_linux_eus, redhat enterprise_linux_tus
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 8 | ctdb | 4.15.5-5.el8 |
| AlmaLinux 8 | libsmbclient | 4.15.5-5.el8 |
| AlmaLinux 8 | libsmbclient-devel | 4.15.5-5.el8 |
| AlmaLinux 8 | libwbclient | 4.15.5-5.el8 |
| AlmaLinux 8 | libwbclient-devel | 4.15.5-8.el8_6 |
| AlmaLinux 8 | libwbclient-devel | 4.15.5-5.el8 |
| AlmaLinux 8 | python3-samba | 4.15.5-5.el8 |
| AlmaLinux 8 | python3-samba-test | 4.15.5-5.el8 |
| AlmaLinux 8 | samba | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-client | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-client-libs | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-common | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-common-libs | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-common-tools | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-devel | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-krb5-printing | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-libs | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-pidl | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-test | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-test-libs | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-vfs-iouring | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-winbind | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-winbind-clients | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-winbind-krb5-locator | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-winbind-modules | 4.15.5-5.el8 |
| AlmaLinux 8 | samba-winexe | 4.15.5-5.el8 |
| Amazon Linux 2023 | libnetapi | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | libnetapi-devel | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | libsmbclient | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | libsmbclient-devel | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | libwbclient | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | libwbclient-devel | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | python3-samba | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | python3-samba-devel | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | python3-samba-test | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-client | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-client-libs | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-common | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-common-libs | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-common-tools | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-dc-libs | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-dcerpc | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-devel | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-krb5-printing | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-ldb-ldap-modules | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-libs | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-pidl | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-test | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-test-libs | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-usershares | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-vfs-iouring | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-winbind | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-winbind-clients | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-winbind-krb5-locator | 2:4.17.5-0.amzn2023.0.2 |
| Amazon Linux 2023 | samba-winbind-modules | 2:4.17.5-0.amzn2023.0.2 |
| Debian 12 | samba | 2:4.16.0+dfsg-2 |
| Debian 13 | samba | 2:4.16.0+dfsg-2 |
| Debian 14 | samba | 2:4.16.0+dfsg-2 |
| Red Hat Enterprise Linux 8 | ctdb | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | ctdb-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | libsmbclient | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | libsmbclient-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | libsmbclient-devel | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | libwbclient | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | libwbclient-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | libwbclient-devel | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | python3-samba | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | python3-samba-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | python3-samba-test | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-client | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-client-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-client-libs | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-client-libs-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-common | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-common-libs | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-common-libs-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-common-tools | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-common-tools-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-debugsource | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-devel | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-krb5-printing | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-krb5-printing-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-libs | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-libs-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-pidl | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-test | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-test-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-test-libs | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-test-libs-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-vfs-iouring | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-vfs-iouring-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-clients | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-clients-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-krb5-locator | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-krb5-locator-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-modules | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winbind-modules-debuginfo | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winexe | 0:4.15.5-5.el8 |
| Red Hat Enterprise Linux 8 | samba-winexe-debuginfo | 0:4.15.5-5.el8 |
| Red Hat storage 3.5 samba el8 | ctdb | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | ctdb-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | libsmbclient | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | libsmbclient-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | libsmbclient-devel | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | libwbclient | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | libwbclient-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | libwbclient-devel | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | python3-samba | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | python3-samba-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-client | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-client-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-client-libs | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-client-libs-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-common | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-common-libs | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-common-libs-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-common-tools | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-common-tools-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-debugsource | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-devel | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-krb5-printing | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-krb5-printing-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-libs | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-libs-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-pidl | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-test-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-test-libs-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-vfs-glusterfs | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-vfs-glusterfs-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-vfs-iouring-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-clients | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-clients-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-krb5-locator | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-krb5-locator-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-modules | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winbind-modules-debuginfo | 0:4.15.5-100.el8rhgs |
| Red Hat storage 3.5 samba el8 | samba-winexe-debuginfo | 0:4.15.5-100.el8rhgs |
| Rocky Linux 8 | samba | 0:4.15.5-5.el8 |
| SUSE Linux Enterprise High Availability Extension 12 SP5 | samba | 4.15.4+git.324.8332acf1a63-3.54.1 |
| SUSE Linux Enterprise High Availability Extension 15 SP3 | samba | 4.15.4+git.324.8332acf1a63-150300.3.25.3 |
| SUSE Linux Enterprise Micro 5.1 | apparmor | 2.13.6-150300.3.11.2 |
| SUSE Linux Enterprise Micro 5.1 | krb5 | 1.19.2-150300.8.3.2 |
| SUSE Linux Enterprise Micro 5.1 | ldb | 2.4.1-150300.3.10.1 |
| SUSE Linux Enterprise Micro 5.1 | libapparmor | 2.13.6-150300.3.11.1 |
| SUSE Linux Enterprise Micro 5.1 | sssd | 1.16.1-150300.23.17.3 |
| SUSE Linux Enterprise Micro 5.1 | talloc | 2.3.3-150300.3.3.2 |
| SUSE Linux Enterprise Micro 5.1 | tdb | 1.4.4-150300.3.3.2 |
| SUSE Linux Enterprise Micro 5.1 | tevent | 0.11.0-150300.3.3.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | apparmor | 2.13.6-150300.3.11.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | krb5 | 1.19.2-150300.8.3.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | ldb | 2.4.1-150300.3.10.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | libapparmor | 2.13.6-150300.3.11.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | samba | 4.15.4+git.324.8332acf1a63-150300.3.25.3 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | sssd | 1.16.1-150300.23.17.3 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | talloc | 2.3.3-150300.3.3.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | talloc-man | 2.3.3-150300.3.3.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | tdb | 1.4.4-150300.3.3.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | tevent | 0.11.0-150300.3.3.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | tevent-man | 0.11.0-150300.3.3.1 |
| SUSE Linux Enterprise Module for Python 2 15 SP3 | samba | 4.15.4+git.324.8332acf1a63-150300.3.25.3 |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | apparmor | 2.13.6-150300.3.11.2 |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | krb5 | 1.19.2-150300.8.3.2 |
| SUSE Linux Enterprise Server 12 SP5 | apparmor | 2.8.2-56.6.3 |
| SUSE Linux Enterprise Server 12 SP5 | ca-certificates | 1_201403302107-15.3.3 |
| SUSE Linux Enterprise Server 12 SP5 | gnutls | 3.4.17-8.4.1 |
| SUSE Linux Enterprise Server 12 SP5 | libnettle | 3.1-21.3.2 |
| SUSE Linux Enterprise Server 12 SP5 | p11-kit | 0.23.2-8.3.2 |
| SUSE Linux Enterprise Server 12 SP5 | samba | 4.15.4+git.324.8332acf1a63-3.54.1 |
| SUSE Linux Enterprise Server 12 SP5 | sssd | 1.16.1-7.28.9 |
| SUSE Linux Enterprise Server 12 SP5 | yast2-samba-client | 3.1.23-3.3.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | apparmor | 2.8.2-56.6.3 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | ca-certificates | 1_201403302107-15.3.3 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | gnutls | 3.4.17-8.4.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | libnettle | 3.1-21.3.2 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | p11-kit | 0.23.2-8.3.2 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | samba | 4.15.4+git.324.8332acf1a63-3.54.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | sssd | 1.16.1-7.28.9 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | yast2-samba-client | 3.1.23-3.3.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | apparmor | 2.8.2-56.6.3 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | p11-kit | 0.23.2-8.3.2 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | samba | 4.15.4+git.324.8332acf1a63-3.54.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | sssd | 1.16.1-7.28.9 |
| Ubuntu 22.04 LTS | samba | no fix |
| Ubuntu Pro 14.04 LTS | samba | no fix |
| Ubuntu Pro 16.04 LTS | samba | no fix |
| Ubuntu Pro 18.04 LTS | samba | no fix |
| Ubuntu Pro 20.04 LTS | samba | no fix |
| openSUSE Leap 15.3 | apparmor | 2.13.6-150300.3.11.2 |
| openSUSE Leap 15.3 | krb5 | 1.19.2-150300.8.3.2 |
| openSUSE Leap 15.3 | krb5-mini | 1.19.2-150300.8.3.2 |
| openSUSE Leap 15.3 | ldb | 2.4.1-150300.3.10.1 |
| openSUSE Leap 15.3 | libapparmor | 2.13.6-150300.3.11.1 |
| openSUSE Leap 15.3 | samba | 4.15.4+git.324.8332acf1a63-150300.3.25.3 |
| openSUSE Leap 15.3 | sssd | 1.16.1-150300.23.17.3 |
| openSUSE Leap 15.3 | talloc | 2.3.3-150300.3.3.2 |
| openSUSE Leap 15.3 | talloc-man | 2.3.3-150300.3.3.1 |
| openSUSE Leap 15.3 | tdb | 1.4.4-150300.3.3.2 |
| openSUSE Leap 15.3 | tevent | 0.11.0-150300.3.3.2 |
| openSUSE Leap 15.3 | tevent-man | 0.11.0-150300.3.3.1 |