Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2021-36222)

ecverify in kdc/kdcpreauthec.c in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation. This...

CVE-2024-47866

Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument "x-amz-copy-source" to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no...

USN-7835-6 linux-aws-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

RHSA-2025:21020 Red Hat Security Advisory: sssd security update

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RHSA-2025:20954 Red Hat Security Advisory: sssd security update

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kernel: mm: fix zswap writeback race condition

In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was written to a different page. The race...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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 f...

Important: Red Hat Security Advisory: sssd security update

An update for sssd is now available for Red Hat Enterprise Linux 9.6 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 ea...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

RHEL 9 : sssd (RHSA-2025:21067)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:21067 advisory. The System Security Services Daemon SSSD service provides a set of daemons to manage access to remote directories and authentication mechanisms. It...

fastd VPN Daemon Resource Exhaustion DoS

The vulnerability of the fastd VPN daemon is related to uncontrolled resource consumption. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

CVE-2024-47866: Improper Input Validation

Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument x-amz-copy-source to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no...

kernel: nfsd: clear acl_access/acl_default after releasing them

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

kernel: nfsd: release svc_expkey/svc_export with rcu_work

A flaw was found in the Linux kernel's Network File System daemon nfsd. A local user can trigger a use-after-free condition when export cache entries are prematurely released during read operations. This issue may lead to memory corruption, potentially causing a system crash and resulting in a...

kernel: nfsd: put dl_stid if fail to queue dl_recall

In the Linux kernel, the following vulnerability has been resolved: nfsd: put dlstid if fail to queue dlrecall Before calling nfsd4runcb to queue dlrecall to the callbackwq, we increment the reference count of dlstid. We expect that after the corresponding workstruct is processed, the reference...

ALSA-2025:21020 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 ...

ALSA-2025:20954 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 ...

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 ...

Security Bulletin: Multiple Vulnerabilities in Hyper Converged Database

Summary Multiple vulnerabilities were addressed in Hyper Converged Database version 1.2.4 Vulnerability Details CVEID:CVE-2017-6519 DESCRIPTION: avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows...

USN-7865-1 linux-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...