MGASA-2022-0021 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.15 and fixes at least the following security issues: A data leak flaw was found in the way XFSIOCALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

samba: SMB1 client connections can be downgraded to plaintext authentication

A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

ctdb, libsmbclient, libwbclient, samba security update

CentOS Errata and Security Advisory CESA-2021:5192 An update for samba is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

CVE-2021-45100

The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2GLOBALCAPENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol...

CVE-2021-45100

The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2GLOBALCAPENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol...

Code injection

The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2GLOBALCAPENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol...

CVE-2021-45100

The CVE-2021-45100 issue affects the ksmbd server used in the Linux kernel (up to 5.15.8) where SMB2_GLOBAL_CAP_ENCRYPTION is incorrectly advertised with SMB 3.1.1, causing Windows 10 to disable encryption when it detects the protocol violation. This is a kernel/ksmbd implementation problem (not ...

CVE-2021-45100

The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2GLOBALCAPENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol...

CVE-2021-45100

The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2GLOBALCAPENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol...

Security Bulletin: SMB vulnerabilities in IBM N Series Products

Summary Data ONTAP products implement the SMB protocol. Systems that implement the SMB protocol can be susceptible to one or more man-in-the-middle attacks which when exploited could potentially lead to information disclosure, privilege escalation, or a Denial of Service. Vulnerability Details...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2021-20254)

Summary A Samba vulnerability affects IBM Spectrum Scale SMB protocol access method that could allow a remote attacker to bypass security restrictions and gain unauthorized access to files. Vulnerability Details CVEID: CVE-2021-20254 DESCRIPTION: Samba could allow a remote authenticated attacker ...

Moderate: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

RHEL 7 : samba (RHSA-2021:4844)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4844 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

openSUSE 15 Security Update : samba (openSUSE-SU-2021:1471-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1471-1 advisory. - An attacker can downgrade a negotiated SMB1 client connection and its capabitilities. Kerberos authentication is only possible with the...

Samba Security Vulnerability (CVE-2019-10218)

Malicious servers can cause Samba client code to return filenames containing path separators to calling code. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

Moderate: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Moderate: samba security update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: Negative idmap cache entries can cause incorrect...