Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Added parameter validation for packet data. Syzbot reported a bug involving uninitialized values in nciinitreq. This bug was introduced through the commit 5aca7966d2a7 “Merge tag...

EUVD-2025-205092

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187rxcb The rtl8187rxcb calculates the rx descriptor header address by subtracting its size from the skb tail pointer. However, it does not validate if the received...

AZL-73063 CVE-2025-68362 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187rxcb The rtl8187rxcb calculates the rx descriptor header address by subtracting its size from the skb tail pointer. However, it does not validate if the received...

CVE-2025-68362

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187rxcb The rtl8187rxcb calculates the rx descriptor header address by subtracting its size from the skb tail pointer. However, it does not validate if the received...

EUVD-2023-60069

In the Linux kernel, the following vulnerability has been resolved: HID: hidraw: fix data race on device refcount The hidrawopen function increments the hidraw device reference counter. The counter has no dedicated synchronization mechanism, resulting in a potential data race when concurrently...

kernel: RDMA/rxe: Fix incomplete state save in rxe_requester

An incorrect state restoration flaw was found in the Linux kernel's RDMA rxe soft-RoCE driver in the requester packet transmission logic. A local user with access to RDMA devices can trigger this issue when network layer packet drops occur during RDMA send operations, causing the work queue eleme...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21702)

pfifotailenqueue: Drop new packet when sch-limit == 0. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid503912; scriptversion"1.2";...

kernel: net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree

In the Linux kernel, the following vulnerability has been resolved: net/sched: Return NULL when htblookupleaf encounters an empty rbtree htblookupleaf has a BUGON that can trigger with the following: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class add dev lo...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990286)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990286 advisory. In the Linux kernel, the following vulnerability has been resolved: IB/core: Implement a limit on UMAD receive List The existing behavior of ibumad, which maintains...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989977)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989977 advisory. In the Linux kernel, the following vulnerability has been resolved: IB/core: Implement a limit on UMAD receive List The existing behavior of ibumad, which maintains...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when bufferlimit is set to bufferlimit. The following setup can trigger a warning in htbactivate due to the condition: !cl-leaf.q-q.qlen. Example command: bash tc qdisc del dev lo root...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Fixed NPD issues when refreshing an FDB entry with a nexthop object. VXLAN FDB entries can point to either a remote destination or an FDB nexthop group. The latter is usually used in EVPN deployments where learning is...

CVE-2025-40043

CVE-2025-40043 relates to a Linux kernel issue in net: nfc: nci where input validation was insufficient in handling packet data. Syzbot found an uninitialized value bug in nci_init_req caused by limited validation in nic_valid_size(), which compared skb->len (user-provided size) to the buffer’...

EUVD-2014-3343

Malware in sbrugna...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986564)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986564 advisory. In the Linux kernel, the following vulnerability has been resolved: IB/core: Implement a limit on UMAD receive List The existing behavior of ibumad, which maintains...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986864)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986864 advisory. In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fix skb data length underflow There will be BUGON triggered in...

AZL-77396 CVE-2023-53539 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix incomplete state save in rxerequester If a send packet is dropped by the IP layer in rxerequester the call to rxexmitpacket can fail with err == -EAGAIN. To recover, the state of the wqe is restored to the state...

UBUNTU-CVE-2023-53535

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Add a check for oversized packets Occasionnaly we may get oversized packets from the hardware which exceed the nomimal 2KiB buffer size we allocate SKBs with. Add an early check which drops the packet to avoid...

UBUNTU-CVE-2023-53539

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix incomplete state save in rxerequester If a send packet is dropped by the IP layer in rxerequester the call to rxexmitpacket can fail with err == -EAGAIN. To recover, the state of the wqe is restored to the state...

CVE-2023-53535 net: bcmgenet: Add a check for oversized packets

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Add a check for oversized packets Occasionnaly we may get oversized packets from the hardware which exceed the nomimal 2KiB buffer size we allocate SKBs with. Add an early check which drops the packet to avoid...