DEBIAN-CVE-2025-37797

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

AZL-69725 CVE-2025-37798 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch-q.qlen check before qdisctreereducebacklog After making all -qlennotify callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fqcodeldequeue and codelqdiscdequeue...

DEBIAN-CVE-2025-37798

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch-q.qlen check before qdisctreereducebacklog After making all -qlennotify callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fqcodeldequeue and codelqdiscdequeue...

UBUNTU-CVE-2025-37798

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch-q.qlen check before qdisctreereducebacklog After making all -qlennotify callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fqcodeldequeue and codelqdiscdequeue...

UBUNTU-CVE-2025-37797

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

CVE-2025-37798 codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch-q.qlen check before qdisctreereducebacklog After making all -qlennotify callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fqcodeldequeue and codelqdiscdequeue...

CVE-2025-37798

CVE-2025-37798 affects the Linux kernel networking code. The fix removes the qlen check in fq_codel_dequeue() and codel_qdisc_dequeue() after making sch->qlen_notify() callbacks idempotent. The description indicates the vulnerability related to backlog/queue length handling in qdisc code (code...

CVE-2025-37797 net_sched: hfsc: Fix a UAF vulnerability in class handling

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

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 removal of an unnecessary qlen check from the codel...

PT-2025-18776

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free vulnerability has been identified in the HFSC qdisc class handling of the Linux kernel. The issue arises from a time-of-check/time-of-use condition in hfsc change class...

PT-2025-18777

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue concerned the codel controlled delay qdisc queueing discipline in the kernel. Specifically, the problem involved the qlen...

kernel: net: avoid potential underflow in qdisc_pkt_len_init() with UFO

In the Linux kernel, the following vulnerability has been resolved: net: avoid potential underflow in qdiscpktleninit with UFO After commit 7c6d2ecbda83 "net: be more gentle about silly gso requests coming from user" virtionethdrtoskb had sanity check to detect malicious attempts from user space ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Avoid potential underflow in qdiscpktleninit with UFO After committing 7c6d2ecbda83 “net: Be more gentle about silly GSO requests coming from user”, the virtionethdrtoskb function added sanity checks to detect malicious...