Unity Linux 20.1070a Security Update: kernel (UTSA-2025-394294)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-394294 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: stop qdisctreereducebacklog on TCHROOT In qdisctreereducebacklog, Qdiscs with major...

PT-2025-41068

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer overflow issue exists in the net/sched sch fq module when the "initial quantum" is configured with values greater than INT MAX. This overflow results in a negative value being...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986653)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986653 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: don't remove idle classes from the round-robin list Shuang reported that the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987229)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987229 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: prevent dismantle issue For some reason, fqpiedestroy did not copy working code...

RockyLinux 8 : kernel (RLSA-2025:16919)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:16919 advisory. kernel: nfsd: don't ignore the return code of svcprocregister CVE-2025-22026 kernel: netsched: hfsc: Fix a UAF vulnerability in class handling...

RLSA-2025:12746 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: 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: intel-ish-hid: Fix use-after-free issue ...

kernel security update

An update is available for kernel. 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 kernel packages contain the Linux kernel, the core of any Linux operating...

CVE-2025-39900

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

Important: kernel-livepatch-6.12.40-64.114

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdiscdequeueinternal CVE-2025-39677 Affected Packages: kernel-livepatch-6.12.40-64.114 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

AlmaLinux 9 : kernel (ALSA-2025:15011)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:15011 advisory. kernel: netsched: hfsc: Fix a potential UAF in hfscdequeue too CVE-2025-37823 kernel: i40e: fix MMIO write access to an invalid page in i40eclearhw...

The vulnerability in the `net/sched/sch_hfsc.c` component of the Linux operating system allows a hacker to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the net/sched/schhfsc.c component in the Linux operating system is related to incomplete cleanup of temporary or auxiliary resources. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and cause service failures...

RHEL 8 : kpatch-patch-4_18_0-477_67_1, kpatch-patch-4_18_0-477_81_1, kpatch-patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 (RHSA-2025:16583)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:16583 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patc...

kernel: net/sched: Always pass notifications when child class becomes empty

A use-after-free UAF vulnerability was found in the Linux kernel's net/sched subsystem, specifically in the Credit-Based Shaper CBS qdisc implementation schcbs. The vulnerability occurs because the CBS qdisc's reset function qdiscresetqueue only resets its internal queue but fails to reset its...

kernel: net/sched: Always pass notifications when child class becomes empty

A use-after-free UAF vulnerability was found in the Linux kernel's net/sched subsystem, specifically in the Credit-Based Shaper CBS qdisc implementation schcbs. The vulnerability occurs because the CBS qdisc's reset function qdiscresetqueue only resets its internal queue but fails to reset its...

kernel: net/sched: Always pass notifications when child class becomes empty

A use-after-free UAF vulnerability was found in the Linux kernel's net/sched subsystem, specifically in the Credit-Based Shaper CBS qdisc implementation schcbs. The vulnerability occurs because the CBS qdisc's reset function qdiscresetqueue only resets its internal queue but fails to reset its...

Important: Red Hat Security Advisory: kpatch-patch-5_14_0-284_104_1, kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_79_1, and kpatch-patch-5_14_0-284_92_1 security update

An update for multiple packages 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...

RHEL 9 : kpatch-patch-5_14_0-570_17_1 (RHSA-2025:16538)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:16538 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patc...

CVE-2022-50396

CVE-2022-50396 affects the Linux kernel’s net/sched tcindex code. The root cause is in tcindex_change when old_r is taken from p->perfect: the code allocates a new filter result via tcindex_alloc_perfect_hash() and then calls tcindex_filter_result_init() to clear the old result without destroy...

CVE-2022-50396 net: sched: fix memory leak in tcindex_set_parms

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindexsetparms Syzkaller reports a memory leak as follows: ==================================== BUG: memory leak unreferenced object 0xffff88810c287f00 size 256: comm "syz-executor105", pid 3600,...

CVE-2022-50396 net: sched: fix memory leak in tcindex_set_parms

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindexsetparms Syzkaller reports a memory leak as follows: ==================================== BUG: memory leak unreferenced object 0xffff88810c287f00 size 256: comm "syz-executor105", pid 3600,...