Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005500)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005500 advisory. In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: We are writin...

CVE-2023-54043 iommufd: Do not add the same hwpt to the ioas->hwpt_list twice

In the Linux kernel, the following vulnerability has been resolved: iommufd: Do not add the same hwpt to the ioas-hwptlist twice The hwpt is added to the hwptlist only during its creation, it is never added again. This hunk is some missed leftover from rework. Adding it twice will corrupt the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414595)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414595 advisory. A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

AZL-63681 CVE-2025-38001 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this recent patch 141d34391abbb315d68556b7c67ad97885407547 1 can be bypassed, and a UAF can still occur when HFSC ...

PT-2025-24274

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fix included in commit 141d34391abbb315d68556b7c67ad97885407547. Description The Linux kernel contains a vulnerability in the net sched subsystem, specifically within the HFSC Hierarchical Fair Queuing...

SUSE CVE-2025-37890

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report 1, we have a UAF case when an hfsc class has a netem child qdisc. The crux of the issue is that hfsc is assuming that...

UBUNTU-CVE-2025-37890

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report 1, we have a UAF case when an hfsc class has a netem child qdisc. The crux of the issue is that hfsc is assuming that...

A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality integrity as well as system availability. Versions before kernel 5.12-rc6 are affected

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DEBIAN-CVE-2021-3483

A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system...

CVE-2021-3483

A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system...

AZL-6568 CVE-2021-3483 affecting package kernel for versions less than 5.10.78.1-1

A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system...

UBUNTU-CVE-2021-3483

A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system...