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...

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...

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...

SUSE-SU-2025:20578-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_3

This update for kernel-livepatch-MICRO-6-0-RTUpdate3 fixes the following issues: - CVE-2024-56664: bpf, sockmap: fix race between element replace and close bsc1235250 - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776 - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability...

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...

CVE-2025-38553

In the Linux kernel, the following vulnerability has been resolved: net/sched: Restrict conditions for adding duplicating netems to qdisc tree netemenqueue's duplication prevention logic breaks when a netem resides in a qdisc tree with other netems - this can lead to a soft lockup and OOM loop in...

SUSE-SU-2025:02873-1 Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-15070073 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. -...

ALSA-2025:13961 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: drm/vkms: Fix use after free and double free on init error CVE-2025-22097 kernel: netsched: ets: Fix double list add in class with...

Linux Distros Unpatched Vulnerability : CVE-2025-37752

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netsched: schsfq: move the limit validation It is not sufficient to directly validate the limit on the data that the user passes as it can be updated based on h...

Linux Distros Unpatched Vulnerability : CVE-2025-38457

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: Abort tcmodifyqdisc if parent class does not exist Lion's patch 1 revealed an ancient bug in the qdisc API. Whenever a user creates/modifies a qdisc...

net_sched: sch_sfq: fix a potential crash on gso_skb handling

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Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005588 fixes several issues. The following security issues were fixed: CVE-2024-56664: bpf, sockmap: Fix race between element replace and close bsc1235250. CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793...

Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506002350 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-2025:02673-1 Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506002333 fixes several issues. The following security issues were fixed: - CVE-2024-56664: bpf, sockmap: Fix race between element replace and close bsc1235250. - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. -...

UBUNTU-CVE-2025-38477

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix race condition on qfqaggregate A race condition can occur when 'agg' is modified in qfqchangeagg called during qfqenqueue while other threads access it concurrently. For example, qfqdumpclass may trigger a...

DEBIAN-CVE-2025-38379

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning when reconnecting channel When reconnecting a channel in smb2reconnectserver, a dummy tcon is passed down to smb2reconnect with -queryinterface uninitialized, so we can't call queuedelayedwork on it. Fix...

DEBIAN-CVE-2025-38350

In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the child qdisc and thus make an in-flight...

SUSE CVE-2025-38115

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: fix a potential crash on gsoskb handling SFQ has an assumption of always being able to queue at least one packet. However, after the blamed commit, sch-q.len can be inflated by packets in sch-gsoskb, and an...