60 matches found
UBUNTU-CVE-2025-37932
In the Linux kernel, the following vulnerability has been resolved: schhtb: make htbqlennotify idempotent htbqlennotify always deactivates the HTB class and in fact could trigger a warning if it is already deactivated. Therefore, it is not idempotent and not friendly to its callers, like...
SUSE 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...
SUSE 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...
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...
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...
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...
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...
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...
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 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...
CVE-2025-37798: Undefined Security Weakness
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...
Linux Kernel Security Vulnerabilities
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-2025-27950
Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns the hfsc qlen notify function in the Linux kernel, which is not idempotent and can cause problems for its callers, such as fq codel dequeue. To address this, changes...
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
A flaw was found in the Linux kernel's network handling. A local user could craft a specific Generic Segmentation Offload GSO packet with UDP Fragmentation Offload UFO characteristics. This crafted packet could lead to an underflow in the qdiscpktleninit function, causing a kernel NULL pointer...
PT-2024-33791
Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: The issue is related to a potential underflow in the qdisc pkt len init function when handling UFO UDP Fragmentation Offload packets. This occurs after specific commits that introduced sanity...