Important: kernel

Issue Overview: Insufficient control flow management for the IntelR 82599 Ethernet Controllers and Adapters may allow an authenticated user to potentially enable denial of service via local access. CVE-2021-33061 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix...

Linux pfifo_tail_enqueue Heap Buffer Overflow DoS

The vulnerability of the pfifotailenqueue function net/sched/schfifo.c in the Linux operating system is related to a discrepancy in functionality according to the specifications. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility ...

SUSE CVE-2022-49202

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: add missing NULL check in h5enqueue Syzbot hit general protection fault in pmruntimeresume. The problem was in missing NULL check. hu-serdev can be NULL and we should not blindly pass &serdev-dev somewhere,...

DEBIAN-CVE-2022-49202

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: add missing NULL check in h5enqueue Syzbot hit general protection fault in pmruntimeresume. The problem was in missing NULL check. hu-serdev can be NULL and we should not blindly pass &serdev-dev somewhere,...

SUSE CVE-2025-21702

In the Linux kernel, the following vulnerability has been resolved: pfifotailenqueue: Drop new packet when sch-limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifotailenqueue will drop a packet in scheduler's queue and decrease scheduler's qlen by one. Then, pfifotailenqueue...

UBUNTU-CVE-2025-21702

In the Linux kernel, the following vulnerability has been resolved: pfifotailenqueue: Drop new packet when sch-limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifotailenqueue will drop a packet in scheduler's queue and decrease scheduler's qlen by one. Then, pfifotailenqueue...

CVE-2025-21702 pfifo_tail_enqueue: Drop new packet when sch->limit == 0

In the Linux kernel, the following vulnerability has been resolved: pfifotailenqueue: Drop new packet when sch-limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifotailenqueue will drop a packet in scheduler's queue and decrease scheduler's qlen by one. Then, pfifotailenqueue...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the pfifotailenqueue function not properly validating input when processing queues. An attacker exploiting...

Security update for the Linux Kernel (Live Patch 17 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005573 fixes several issues. The following security issues were fixed: CVE-2024-45016: netem: fix return value if duplicate enqueue fails bsc1230998. CVE-2022-48912: Fix use-after-free in nfregisternethook bsc1229641 CVE-2024-47684: tcp: check skb is...

Security update for the Linux Kernel (Live Patch 14 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005565 fixes several issues. The following security issues were fixed: CVE-2024-45016: netem: fix return value if duplicate enqueue fails bsc1230998. CVE-2022-48912: Fix use-after-free in nfregisternethook bsc1229641 CVE-2022-48923: btrfs: prevent...

SUSE-SU-2025:0414-1 Security update for the Linux Kernel (Live Patch 62 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122234 fixes one issue. The following security issue was fixed: - CVE-2024-45016: netem: fix return value if duplicate enqueue fails bsc1230998...

PT-2025-6938

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the pfifo tail enqueue function in the Linux kernel. When sch-limit == 0 and pfifo tail enqueue is triggered on a scheduler with no packets, the function will n...

AZL-55431 CVE-2024-56770 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

CVE-2024-56770 net/sched: netem: account for backlog updates from child qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...

CVE-2024-56583 sched/deadline: Fix warning in migrate_enable for boosted tasks

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix warning in migrateenable for boosted tasks When running the following command: while true; do stress-ng --cyclic 30 --timeout 30s --minimize --quiet done a warning is eventually triggered: WARNING: CPU: 43 PID...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-48879: efi: fix NULL-deref in init error path bsc1229556. CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1231893. CVE-2022-48959: net: dsa:...

kernel: sched/deadline: Fix task_struct reference leak

A vulnerability was found in the Linux kernel's deadline scheduler in the enqueuetaskdl function, where the reference count is improperly decremented in certain situations, potentially causing a memory leak. This issue can lead to memory exhaustion over time...

UBUNTU-CVE-2024-50297

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts Enqueue packets in dql after dma engine starts causes race condition. Tx transfer starts once dma engine is started and may execute dql dequeue in completion...

CVE-2024-50297 net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts Enqueue packets in dql after dma engine starts causes race condition. Tx transfer starts once dma engine is started and may execute dql dequeue in completion...

CVE-2024-50297 net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts Enqueue packets in dql after dma engine starts causes race condition. Tx transfer starts once dma engine is started and may execute dql dequeue in completion...