Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced 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...

kernel: sch_hfsc: make hfsc_qlen_notify() idempotent

In the Linux kernel, the following vulnerability has been resolved: schhfsc: make hfscqlennotify idempotent hfscqlennotify is not idempotent either and not friendly to its callers, like fqcodeldequeue. Let's make it idempotent to ease qdisctreereducebacklog callers' life: 1. updatevf decreases...

SUSE-SU-2025:02942-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-15070051 fixes several issues. The following security issues were fixed: - CVE-2025-38494: HID: core: do not bypass hidhwrawrequest bsc1247350. - CVE-2025-38495: HID: core: ensure the allocated report buffer can contain the reserved report ID bsc1247351. -...

RHEL 9 : kernel (RHSA-2025:14054)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14054 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: padata: fix UAF in...

RHEL 9 : kernel-rt (RHSA-2025:14094)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14094 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

SUSE-SU-2025:02850-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. - CVE-2023-52927: netfilter: allow exp not to be removed in...

Linux Distros Unpatched Vulnerability : CVE-2025-37823

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netsched: hfsc: Fix a potential UAF in hfscdequeue too Similarly to the previous patch, we need to safe guard hfscdequeue too. But for this one, we don't have a...

Linux Distros Unpatched Vulnerability : CVE-2025-38000

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: tap: NULL pointer derefence in devparseheaderprotocol when skb-dev is null CVE-2022-50073 In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT...

AlmaLinux 9 : kernel (ALSA-2025:12746)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:12746 advisory. kernel: padata: fix UAF in padatareorder CVE-2025-21727 kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtphidremove CVE-2025-21928 kernel: HID...

Security update for the Linux Kernel (Live Patch 59 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059211 fixes one issue. The following security issue was fixed: CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaS...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

SUSE-SU-2025:02676-1 Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-15050055103 fixes several issues. The following security issues were fixed: - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776. - CVE-2025-21702:...

SUSE-SU-2025:02611-1 Security update for the Linux Kernel (Live Patch 38 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024158 fixes several issues. The following security issues were fixed: - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776. - CVE-2024-53125:...

Security update for the Linux Kernel (Live Patch 57 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059204 fixes several issues. The following security issues were fixed: CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776. CVE-2025-21702:...

Important: kernel-livepatch-6.1.134-152.225

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue CVE-2025-38000 In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu read protection for procfs content...

Important: kernel-livepatch-6.1.134-150.224

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue CVE-2025-38000 In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu read protection for procfs content...

Important: kernel-livepatch-6.1.140-154.222

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue CVE-2025-38000 In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu read protection for procfs content...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...