A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libwbclient-develUpgrade libsmbclient-develUpgrade openchangeUpgrade samba-devel | May 4, 2022 | Oct 29, 2020 |
| Alpine Linux | — | Upgrade samba | Mar 26, 2024 | Oct 29, 2020 |
| Amazon Linux Ami 2 | — | Upgrade samba-clientUpgrade samba-winbind-modulesUpgrade libsmbclientUpgrade libwbclientUpgrade libwbclient-develUpgrade samba-testUpgrade ctdb-testsUpgrade samba-winbind-clientsUpgrade samba-client-libsUpgrade samba-winbind-krb5-locatorUpgrade samba-common-toolsUpgrade samba-krb5-printingUpgrade samba-libsUpgrade samba-python-testUpgrade ctdbUpgrade sambaUpgrade samba-vfs-glusterfsUpgrade samba-winbindUpgrade samba-pidlUpgrade samba-pythonUpgrade samba-dc-libsUpgrade samba-test-libsUpgrade samba-debuginfoUpgrade samba-develUpgrade samba-common-libsUpgrade samba-commonUpgrade libsmbclient-develUpgrade samba-dc | Jan 8, 2021 | Oct 29, 2020 |
| Amazon_linux | — | Upgrade samba | Jan 15, 2021 | Oct 29, 2020 |
| Centos_linux | — | Upgrade samba-libsUpgrade openchangeUpgrade ctdb-testsUpgrade samba-test-debuginfoUpgrade samba-client-debuginfoUpgrade samba-krb5-printingUpgrade openchange-debugsourceUpgrade samba-develUpgrade python3-sambaUpgrade samba-winbind-modules-debuginfoUpgrade openchange-debuginfoUpgrade samba-pidlUpgrade ctdb-debuginfoUpgrade samba-testUpgrade libwbclientUpgrade samba-client-libsUpgrade python3-samba-debuginfoUpgrade samba-winbind-clients-debuginfoUpgrade samba-common-tools-debuginfoUpgrade libsmbclient-develUpgrade samba-krb5-printing-debuginfoUpgrade samba-winexe-debuginfoUpgrade samba-libs-debuginfoUpgrade samba-client-libs-debuginfoUpgrade samba-vfs-glusterfsUpgrade samba-winbind-modulesUpgrade ctdbUpgrade libsmbclient-debuginfoUpgrade libsmbclientUpgrade samba-dc-libsUpgrade samba-winbind-debuginfoUpgrade samba-pythonUpgrade samba-debugsourceUpgrade openchange-client-debuginfoUpgrade samba-vfs-glusterfs-debuginfoUpgrade samba-test-libsUpgrade samba-winexeUpgrade samba-winbindUpgrade samba-dcUpgrade samba-commonUpgrade samba-winbind-krb5-locator-debuginfoUpgrade sambaUpgrade samba-common-libsUpgrade python3-samba-testUpgrade samba-clientUpgrade libwbclient-debuginfoUpgrade samba-python-testUpgrade samba-common-libs-debuginfoUpgrade ctdb-tests-debuginfoUpgrade samba-common-toolsUpgrade samba-debuginfoUpgrade samba-winbind-krb5-locatorUpgrade samba-winbind-clientsUpgrade samba-test-libs-debuginfoUpgrade libwbclient-devel | Dec 21, 2020 | Oct 29, 2020 |
| Debian | — | Upgrade samba | Nov 24, 2020 | Oct 29, 2020 |
| Freebsd | — | Upgrade samba412Upgrade samba413Upgrade samba410Upgrade samba411 | Dec 10, 2025 | Oct 30, 2020 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Dec 29, 2020 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libwbclientUpgrade samba-commonUpgrade samba-libsUpgrade samba-client-libsUpgrade samba-pythonUpgrade sambaUpgrade samba-winbind-clientsUpgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade libsmbclientUpgrade samba-common-toolsUpgrade samba-winbindUpgrade samba-client | Feb 22, 2021 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade sambaUpgrade samba-winbindUpgrade libsmbclientUpgrade samba-libsUpgrade samba-pythonUpgrade samba-common-toolsUpgrade samba-winbind-modulesUpgrade samba-common-libsUpgrade libwbclientUpgrade samba-client-libsUpgrade samba-commonUpgrade samba-winbind-clientsUpgrade samba-client | Jan 20, 2021 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-libsUpgrade samba-common-toolsUpgrade samba-commonUpgrade libwbclientUpgrade samba-common-libsUpgrade samba-clientUpgrade samba-winbind-modulesUpgrade samba-winbind-clientsUpgrade sambaUpgrade samba-pythonUpgrade libsmbclientUpgrade samba-winbindUpgrade samba-client-libs | Feb 3, 2021 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade samba-common-libsUpgrade samba-test-libsUpgrade samba-pidlUpgrade samba-commonUpgrade samba-dc-libsUpgrade samba-testUpgrade samba-winbind-clientsUpgrade ctdbUpgrade samba-winbindUpgrade samba-clientUpgrade sambaUpgrade python3-samba-testUpgrade ctdb-testsUpgrade samba-winbind-krb5-locatorUpgrade samba-client-libsUpgrade python3-sambaUpgrade libwbclientUpgrade samba-common-toolsUpgrade samba-libsUpgrade samba-krb5-printingUpgrade python2-sambaUpgrade libsmbclientUpgrade python2-samba-testUpgrade samba-winbind-modules | Dec 15, 2020 | Oct 29, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade samba-clientUpgrade samba-libsUpgrade samba-common-toolsUpgrade samba-commonUpgrade samba-winbind-clientsUpgrade samba-winbindUpgrade libsmbclientUpgrade libwbclientUpgrade samba-winbind-modulesUpgrade samba | Dec 1, 2020 | Oct 29, 2020 |
| Oracle Solaris | — | Upgrade service/network/samba to version 4.13.1-11.4.30.0.1.88.0 on Solaris 11.4Upgrade library/samba/libsmbclient to version 4.13.1-11.4.30.0.1.88.0 on Solaris 11.4 | Feb 17, 2021 | Oct 29, 2020 |
| Oracle_linux | — | Upgrade samba-libsUpgrade samba-pythonUpgrade samba-develUpgrade ctdbUpgrade python3-samba-testUpgrade samba-pidlUpgrade samba-winexeUpgrade samba-winbindUpgrade samba-dc-libsUpgrade sambaUpgrade python3-sambaUpgrade libsmbclient-develUpgrade samba-common-libsUpgrade samba-dcUpgrade samba-vfs-glusterfsUpgrade samba-krb5-printingUpgrade libwbclientUpgrade samba-commonUpgrade samba-python-testUpgrade samba-test-libsUpgrade samba-client-libsUpgrade samba-winbind-krb5-locatorUpgrade samba-winbind-modulesUpgrade ctdb-testsUpgrade samba-winbind-clientsUpgrade libsmbclientUpgrade samba-testUpgrade samba-clientUpgrade samba-common-toolsUpgrade openchangeUpgrade libwbclient-devel | Dec 17, 2020 | Oct 29, 2020 |
| Redhat_linux | — | Upgrade samba-winexeUpgrade samba-client-libs-debuginfoUpgrade ctdbUpgrade libwbclient-debuginfoUpgrade samba-winbindUpgrade samba-common-toolsUpgrade samba-dc-libsUpgrade samba-python-testUpgrade samba-dcUpgrade libwbclient-develUpgrade samba-test-libsUpgrade samba-winbind-modulesUpgrade samba-winbind-clientsUpgrade samba-common-libsUpgrade samba-common-libs-debuginfoUpgrade samba-pythonUpgrade samba-winbind-krb5-locatorUpgrade python3-samba-testUpgrade samba-vfs-glusterfsUpgrade samba-debugsourceUpgrade samba-vfs-glusterfs-debuginfoUpgrade openchange-client-debuginfoUpgrade samba-commonUpgrade samba-debuginfoUpgrade libsmbclientUpgrade samba-winbind-debuginfoUpgrade samba-clientUpgrade ctdb-tests-debuginfoUpgrade samba-test-libs-debuginfoUpgrade samba-testUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-client-libsNo solution existsUpgrade openchange-debugsourceUpgrade ctdb-testsUpgrade ctdb-debuginfoUpgrade samba-winexe-debuginfoUpgrade samba-common-tools-debuginfoUpgrade python3-samba-debuginfoUpgrade samba-test-debuginfoUpgrade samba-winbind-clients-debuginfoUpgrade python3-sambaUpgrade samba-client-debuginfoUpgrade samba-winbind-modules-debuginfoUpgrade samba-pidlUpgrade samba-krb5-printingUpgrade libwbclientUpgrade libsmbclient-debuginfoUpgrade samba-develUpgrade libsmbclient-develUpgrade samba-libsUpgrade openchange-debuginfoUpgrade openchangeUpgrade sambaUpgrade samba-krb5-printing-debuginfoUpgrade samba-libs-debuginfo | Dec 21, 2020 | Oct 29, 2020 |
| Rocky_linux | — | Upgrade python3-sambaUpgrade samba-client-libsUpgrade samba-test-libs-debuginfoUpgrade samba-develUpgrade libwbclient-debuginfoUpgrade ctdb-testsUpgrade samba-test-debuginfoUpgrade ctdb-tests-debuginfoUpgrade sambaUpgrade samba-winexe-debuginfoUpgrade samba-common-libs-debuginfoUpgrade samba-debuginfoUpgrade samba-debugsourceUpgrade ctdb-debuginfoUpgrade ctdbUpgrade libwbclient-develUpgrade samba-libs-debuginfoUpgrade libsmbclient-debuginfoUpgrade samba-winbindUpgrade samba-krb5-printingUpgrade libwbclientUpgrade samba-winbind-modules-debuginfoUpgrade samba-testUpgrade samba-winbind-clientsUpgrade samba-test-libsUpgrade openchangeUpgrade python3-samba-debuginfoUpgrade samba-clientUpgrade libsmbclientUpgrade samba-krb5-printing-debuginfoUpgrade samba-client-debuginfoUpgrade samba-common-toolsUpgrade samba-winbind-debuginfoUpgrade python3-samba-testUpgrade samba-common-libsUpgrade openchange-debugsourceUpgrade samba-winbind-krb5-locatorUpgrade libsmbclient-develUpgrade samba-common-tools-debuginfoUpgrade samba-libsUpgrade samba-client-libs-debuginfoUpgrade openchange-debuginfoUpgrade samba-winbind-clients-debuginfoUpgrade samba-winbind-krb5-locator-debuginfoUpgrade samba-winbind-modulesUpgrade samba-winexe | Mar 12, 2024 | Oct 29, 2020 |
| Samba | — | Upgrade to Samba 4.12.9 or later.Upgrade to Samba 4.13.1 or later.Upgrade to Samba 4.11.15 or later. | Nov 26, 2020 | Oct 29, 2020 |
| Suse | — | Upgrade ldapsmbUpgrade libtevent0Upgrade libsmbldap0-32bitUpgrade libtevent-util0-32bitUpgrade samba-32bitUpgrade libnetapi0Upgrade libsamba-policy0-32bitUpgrade libsamba-policy0Upgrade libsamdb0-32bitUpgrade samba-client-32bitUpgrade samba-libsUpgrade samba-libs-pythonUpgrade libndr-standard-develUpgrade libsmbclient-develUpgrade samba-pidlUpgrade ctdb-testsUpgrade libtevent-util-develUpgrade libsamba-policy0-python3-32bitUpgrade samba-libs-python-32bitUpgrade libsamdb-develUpgrade samba-testUpgrade libsamba-util0-32bitUpgrade libwbclient0Upgrade libtalloc2Upgrade libsamba-util-develUpgrade libtevent-util0Upgrade libndr-standard0-32bitUpgrade libsamba-passdb-develUpgrade libtalloc2-32bitUpgrade libdcerpc-samr0Upgrade libldb1Upgrade libsmbldap-develUpgrade libsamba-credentials0Upgrade samba-libs-32bitUpgrade libtevent0-32bitUpgrade libsamba-policy0-python3Upgrade libtdb1Upgrade samba-dsdb-modulesUpgrade libsamba-hostconfig0Upgrade libndr1-32bitUpgrade libndr-nbt0-32bitUpgrade libdcerpc-develUpgrade libsmbclient0-32bitUpgrade libsamba-passdb0-32bitUpgrade libsamba-errors0Upgrade libndr0Upgrade libdcerpc0Upgrade libdcerpc-samr-develUpgrade libsamba-credentials0-32bitUpgrade libsamba-util0Upgrade libtdb1-32bitUpgrade samba-docUpgrade libsamba-hostconfig0-32bitUpgrade samba-krb-printingUpgrade libsmbldap2-32bitUpgrade libndr-nbt-develUpgrade libdcerpc-binding0-32bitUpgrade samba-winbind-32bitUpgrade samba-ad-dc-32bitUpgrade samba-cephUpgrade libndr-krb5pac-develUpgrade ctdb-pcp-pmdaUpgrade libndr-develUpgrade libsamba-policy-python-develUpgrade libsamba-credentials-develUpgrade samba-python3Upgrade samba-libs-python3-32bitUpgrade libsamba-policy-develUpgrade libdcerpc-binding0Upgrade libndr1Upgrade samba-ad-dcUpgrade sambaUpgrade libwbclient-develUpgrade libsmbconf0Upgrade libsamdb0Upgrade libsmbldap2Upgrade samba-pythonUpgrade ctdbUpgrade libsamba-hostconfig-develUpgrade libnetapi0-32bitUpgrade libsmbconf0-32bitUpgrade libsamba-errors0-32bitUpgrade libndr0-32bitUpgrade libdcerpc0-32bitUpgrade libsamba-errors-develUpgrade libdcerpc-samr0-32bitUpgrade libndr-krb5pac0Upgrade libndr-krb5pac0-32bitUpgrade libndr-nbt0Upgrade samba-clientUpgrade libnetapi-devel-32bitUpgrade samba-libs-python3Upgrade samba-core-develUpgrade libwbclient0-32bitUpgrade libsmbclient0Upgrade libsamba-passdb0Upgrade libnetapi-develUpgrade libndr-standard0Upgrade libsmbconf-develUpgrade samba-winbindUpgrade libsmbldap0Upgrade libsamba-policy-python3-devel | Jan 22, 2021 | Oct 29, 2020 |
| Ubuntu | — | Upgrade samba (Ubuntu Pro)Upgrade samba | May 4, 2021 | Oct 29, 2020 |
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