CVE-2026-44600

A flaw was found in Tor. This vulnerability occurs due to mishandling of the conflux out-of-order queue accounting during queue clearing. A remote attacker with high attack complexity could exploit this flaw, leading to a denial of service...

UBUNTU-CVE-2026-44600

Tor before 0.4.9.7 mishandles accounting of the conflux out-of-order queue during the clearing of a queue, aka TROVE-2026-010...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38000)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38000 advisory. - In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when...

EUVD-2025-17141

Malicious code in bioql PyPI...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024164 fixes several issues. The following security issues were fixed: CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579. CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree twice bsc1244235. CVE-2025-38000: schhfsc...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

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...

CVE-2025-38000

In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet to an HFSC class, hfscenqueue calls the child qdisc's peek operation before incrementing sch-q.qlen and sch-qstats.backlog. If the...

DEBIAN-CVE-2025-38000

In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet to an HFSC class, hfscenqueue calls the child qdisc's peek operation before incrementing sch-q.qlen and sch-qstats.backlog. If the...

CVE-2025-38000 sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet to an HFSC class, hfscenqueue calls the child qdisc's peek operation before incrementing sch-q.qlen and sch-qstats.backlog. If the...

CVE-2025-38000 sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet to an HFSC class, hfscenqueue calls the child qdisc's peek operation before incrementing sch-q.qlen and sch-qstats.backlog. If the...

CVE-2025-38000

CVE-2025-38000 affects the Linux kernel HFSC scheduler qlen accounting: when enqueuing the first packet, hfsc_enqueue() previously used child qdisc peek() before updating sch->q.qlen and sch->qstats.backlog, which could trigger a dequeue and leave the HFSC class in an inconsistent state (po...

PT-2025-24197

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug in the Linux kernel's HFSC qdisc has been identified, which can lead to inconsistent queue accounting. This occurs when the hfsc enqueue function calls the child qdisc's peek...