Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

A flaw was found in the Linux kernel's CIFS Common Internet File System client. When the cifssanitizeprepath function processes specially crafted input, such as an empty string or a string containing only delimiters, it can attempt to read data beyond its allocated memory buffer. This out-of-boun...

kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

A flaw was found in the Linux kernel's CIFS Common Internet File System client. When the cifssanitizeprepath function processes specially crafted input, such as an empty string or a string containing only delimiters, it can attempt to read data beyond its allocated memory buffer. This out-of-boun...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.30 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.30 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

CVE-2026-74608

A flaw was found in the Server Message Block SMB client of the Linux kernel. A use-after-free vulnerability exists in the cifstryaddingchannels function. This occurs when a concurrent interface list refresh removes a reference to an interface while a channel creation is in progress and fails,...

CVE-2026-74608

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifstryaddingchannels cifstryaddingchannels takes a temporary reference to an interface before dropping ifacelock. If cifssesaddchannel fails, it drops that reference and then increments...

CVE-2026-74608 smb: client: Fix use-after-free in cifs_try_adding_channels()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifstryaddingchannels cifstryaddingchannels takes a temporary reference to an interface before dropping ifacelock. If cifssesaddchannel fails, it drops that reference and then increments...

CVE-2026-74608

A use-after-free vulnerability exists in the Linux kernel SMB client within the cifs_try_adding_channels() function. The root cause is a race condition: when cifs_ses_add_channel() fails, the failure path drops a temporary reference to an interface and then increments iface->weight_fulfilled. ...

CVE-2026-74608 smb: client: Fix use-after-free in cifs_try_adding_channels()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifstryaddingchannels cifstryaddingchannels takes a temporary reference to an interface before dropping ifacelock. If cifssesaddchannel fails, it drops that reference and then increments...

PT-2026-79613

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs try adding channels cifs try adding channels takes a temporary reference to an interface before dropping iface lock. If cifs ses add channel fails, it drops that reference and then incremen...

Linux Distros Unpatched Vulnerability : CVE-2026-74608

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: Fix use-after-free in cifstryaddingchannels cifstryaddingchannels takes a temporary reference to an interface before dropping ifacelock. If...

kernel security, bug fix, and enhancement update

6.12.0-211.49.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

A flaw was found in the Linux kernel's CIFS Common Internet File System client. When the cifssanitizeprepath function processes specially crafted input, such as an empty string or a string containing only delimiters, it can attempt to read data beyond its allocated memory buffer. This out-of-boun...

CVE-2026-72315

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

A flaw was found in the Linux kernel's CIFS Common Internet File System client. When the cifssanitizeprepath function processes specially crafted input, such as an empty string or a string containing only delimiters, it can attempt to read data beyond its allocated memory buffer. This out-of-boun...

CVE-2026-64137

A flaw was found in the Linux kernel's Common Internet File System CIFS client. This vulnerability allows an unprivileged local user to send witness notifications or join a specific multicast group without proper administrative privileges. Exploiting this flaw could lead to information disclosure...

Linux Distros Unpatched Vulnerability : CVE-2026-64137

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: require net admin for CIFS SWN netlink CIFSGENLCMDSWNNOTIFY is the userspace witness- notify command. The intended sender is the cifs.witness helpe...

SUSE-SU-2026:2955-1 Security update for the Linux Kernel (Live Patch 71 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.269 fixes various security issues The following security issues were fixed: - CVE-2026-31685: netfilter: ip6teui64: reject invalid MAC header for all packets bsc1263670. - CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on...

RHEL 8 : kernel-rt (RHSA-2026:36365)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:36365 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath CVE-2026-43112 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...