Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Thunderbolt: Do not double-dequeue a configuration request. Some of our devices may crash when calling tbcfgrequestdequeue: This issue is likely due to a general protection fault, possibly related to the non-canonical address...

net/sched: sch_qfq: Fix null-deref in agg_dequeue

...

SUSE CVE-2025-40083

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

EUVD-2025-36665

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

AZL-69027 CVE-2025-40083 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

CVE-2025-40083

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

UBUNTU-CVE-2025-40083

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

CVE-2025-40083 net/sched: sch_qfq: Fix null-deref in agg_dequeue

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

CVE-2025-40083

In CVE-2025-40083, the Linux kernel net/sched SCH_QFQ implementation suffered a potential NULL pointer dereference in agg_dequeue when cl->qdisc->ops->peek() could return NULL. The fix adds a guard by validating the peek result before use, mirrors the approach used in sch_hfsc.c, and ref...

CVE-2025-40083 net/sched: sch_qfq: Fix null-deref in agg_dequeue

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue net/sched/schqfq.c when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the return value before using it, similar to the existing approac...

PT-2025-44277

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s sch qfq scheduler within the agg dequeue function net/sched/sch qfq.c. A null dereference could occur when cl-qdisc-ops-peekcl-qdisc returns NULL,...

Linux Distros Unpatched Vulnerability : CVE-2025-39983

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix UAF in hciconntxdequeue This fixes the following UAF caused by not...

CVE-2025-39983

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: slab-use-after-free in hciconntxdequeue+0x1be/0x220...

kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a potential UAF in hfscdequeue too Similarly to the previous patch, we need to safe guard hfscdequeue too. But for this one, we don't have a reliable reproducer...

EUVD-2025-34589

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: slab-use-after-free in hciconntxdequeue+0x1be/0x220...

UBUNTU-CVE-2025-39983

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: slab-use-after-free in hciconntxdequeue+0x1be/0x220...

CVE-2025-39983 Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: slab-use-after-free in hciconntxdequeue+0x1be/0x220...

CVE-2025-39983 Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: slab-use-after-free in hciconntxdequeue+0x1be/0x220...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RockyLinux 9 : kernel (RLSA-2025:15011)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:15011 advisory. kernel: netsched: hfsc: Fix a potential UAF in hfscdequeue too CVE-2025-37823 kernel: i40e: fix MMIO write access to an invalid page in i40eclearhw...