net/sched: Fix backlog accounting in qdisc_dequeue_internal

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CVE-2025-39677

CVE-2025-39677: In the Linux kernel, backlog accounting was fixed for qdisc_dequeue_internal affecting tbf-backed qdiscs (hhf, fq, fq_codel, fq_pie). The root cause was that when dropping packets to satisfy a new limit, only qlen was accounted for for some cases (gso_skb path), omitting qdisc_qst...

SUSE CVE-2025-38684

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported schets test-case 1 crashing in etsclassqlennotify after recent changes from Lion 2. The problem is: in etsqdiscchange we purge unused DWRR queues; the...

UBUNTU-CVE-2025-38684

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported schets test-case 1 crashing in etsclassqlennotify after recent changes from Lion 2. The problem is: in etsqdiscchange we purge unused DWRR queues; the...

CVE-2025-38684 net/sched: ets: use old 'nbands' while purging unused classes

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported schets test-case 1 crashing in etsclassqlennotify after recent changes from Lion 2. The problem is: in etsqdiscchange we purge unused DWRR queues; the...

CVE-2025-38684 net/sched: ets: use old 'nbands' while purging unused classes

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported schets test-case 1 crashing in etsclassqlennotify after recent changes from Lion 2. The problem is: in etsqdiscchange we purge unused DWRR queues; the...

CVE-2025-38684

CVE-2025-38684 affects the Linux kernel’s net/sched ETS implementation. The issue arose from purging unused DRR queues during ets_qdisc_change(), where the code used the new value of q->nbands for cleanup. The fix ensures the purge uses the old values of q->nbands (and q->nstrict), so pu...

Oracle Linux 9 : kernel (ELSA-2025-15011)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-15011 advisory. - xfrm: interface: fix use-after-free after changing collectmd xfrm interface CKI Backport Bot RHEL-109529 CVE-2025-38500 - s390/pci: Fix duplicate...

kernel: net/sched: ets: use old 'nbands' while purging unused classes

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported schets test-case 1 crashing in etsclassqlennotify after recent changes from Lion 2. The problem is: in etsqdiscchange we purge unused DWRR queues; the...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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...

Linux Distros Unpatched Vulnerability : CVE-2025-38568

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: net/sched: mqprio: fix stack out-of- bounds write in tc entry parsing TCAMQPRIOTCENTRYINDEX ...

RHEL 9 : kernel (RHSA-2025:14696)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14696 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bpf, testrun: Fix...

RHEL 7 : kernel (RHSA-2025:14748)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14748 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: media: uvcvideo: Fix double...

Linux Distros Unpatched Vulnerability : CVE-2025-38515

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/sched: Increment job count before swapping tail spsc queue A small race exists between spscqueuepush and the run-job worker, in which spscqueuepush may retu...

RHEL 7 : kernel-rt (RHSA-2025:14746)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14746 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_7

This update for kernel-livepatch-MICRO-6-0-RTUpdate7 fixes the following issues: CVE-2025-38079: crypto: algifhash - fix double free in hashaccept bsc1245218 CVE-2025-38083: netsched: prio: fix a race in priotune bsc1245350 CVE-2025-38494: HID: core: do not bypass hidhwrawrequest bsc1247350...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_5

This update for kernel-livepatch-MICRO-6-0-RTUpdate5 fixes the following issues: CVE-2025-38079: crypto: algifhash - fix double free in hashaccept bsc1245218 CVE-2025-38083: netsched: prio: fix a race in priotune bsc1245350 CVE-2025-38494: HID: core: do not bypass hidhwrawrequest bsc1247350...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_4

This update for kernel-livepatch-MICRO-6-0-RTUpdate4 fixes the following issues: CVE-2025-38079: crypto: algifhash - fix double free in hashaccept bsc1245218 CVE-2025-38083: netsched: prio: fix a race in priotune bsc1245350 CVE-2025-38494: HID: core: do not bypass hidhwrawrequest bsc1247350...

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...