CVE-2026-64208 crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks

In the Linux kernel, the following vulnerability has been resolved: crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks Change the krb5 crypto library to provide facilities to precheck the length of the message about to be decrypted or verified. Fix AFRXRPC to make use of this to...

EUVD-2026-48616

In the Linux kernel, the following vulnerability has been resolved: crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks Change the krb5 crypto library to provide facilities to precheck the length of the message about to be decrypted or verified. Fix AFRXRPC to make use of this to...

Certighost Exploit Lets Low-Privileged Active Directory Users Impersonate a Domain Controller

Researchers H0j3n and Aniq Fakhrul published a working exploit on July 24 that lets a low-privileged Active Directory user obtain a certificate for a Domain Controller and authenticate as that machine. They codenamed the flaw Certighost. Because Domain Controller accounts carry directory...

OESA-2026-3147 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

PT-2026-64323

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The krb5 crypto library lacks facilities to precheck the length of messages before they are decrypted or verified. This issue affects AF RXRPC when validating DATA packets secured with...

AlmaLinux 9 : sssd (ALSA-2026:42122)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42122 advisory. sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation CVE-2026-14474 sssd: sssd: G...

Exploit for Improper Authorization in Microsoft

CVE-2026-54121 Certighost This is a proof-of-concept tool t...

cifs-utils security, bug fix, and enhancement update

An update is available for cifs-utils. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The SMB/CIFS protocol is a standard file sharing protocol widely deployed ...

RLSA-2026:39575 Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

SUSE SLES15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3195-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3195-1 advisory. This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole...

SUSE CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

SUSE-SU-2026:3195-1 Security update for sssd

This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation bsc1270709. - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication...

USN-8585-1: Kerberos vulnerabilities

It was discovered that Kerberos had an integer underflow vulnerability in the berval2tldata function. An attacker could possibly use this issue to cause Kerberos to crash, resulting in a denial of service. CVE-2026-11850 It was discovered that Kerberos had vulnerabilities in its NegoEx mechanism...

RLSA-2026:41937 Important: sssd security update

The System Security Services Daemon SSSD service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch NSS and the Pluggable Authentication Modules PAM interfaces toward the system, and a pluggable back-end system ...

RLSA-2026:42122 Important: sssd security update

The System Security Services Daemon SSSD service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch NSS and the Pluggable Authentication Modules PAM interfaces toward the system, and a pluggable back-end system ...

sssd security update

An update is available for sssd. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The System Security Services Daemon SSSD service provides a set of daemons to...

SUSE-SU-2026:22897-1 Security update for sssd

This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation bsc1270709. - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication...

RockyLinux 10 : sssd (RLSA-2026:41937)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:41937 advisory. sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation CVE-2026-14474 sssd: sssd:...

AlmaLinux 10 : sssd (ALSA-2026:41937)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:41937 advisory. sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation CVE-2026-14474 sssd: sssd:...

SUSE SLES15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3139-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3139-1 advisory. This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole...