Siemens SIMATIC, SCALANCE and RUGGEDCOM Devices Linux Kernel Observable Discrepancy (CVE-2022-32296)

The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 Double-Hash Port Selection Algorithm of RFC 6056. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-...

Siemens SIMATIC Devices Linux Kernel Use of Uninitialized Variable (CVE-2022-42432)

This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel 6.0-rc2. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within...

Siemens SIMATIC Devices Linux Kernel Double Free (CVE-2022-2327)

iouring use workflags to determine which identity need to grab from the calling process to make sure it is consistent with the calling process when executing IORINGOP. Some operations are missing some types, which can lead to incorrect reference counts which can then lead to a double free. We...

Siemens SIMATIC Devices Linux Kernel Exposure of Resource to Wrong Sphere (CVE-2022-40768)

drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stexqueuecommandlck lacks a memset for the PASSTHRUCMD case. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mo...

Siemens SIMATIC Devices Linux Kernel Stack-based Buffer Overflow (CVE-2022-2078)

A vulnerability was found in the Linux kernel's nftsetdescconcatparse function .This flaw allows an attacker to trigger a buffer overflow via nftsetdescconcatparse , causing a denial of service and possibly to run code. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC Devices Linux Kernel NULL Pointer Dereference (CVE-2022-3621)

A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfsbmaplookupatlevel of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is...

CVE-2025-21704

In the Linux kernel, the following vulnerability has been resolved: usb: cdc-acm: Check control transfer buffer size before access If the first fragment is shorter than struct usbcdcnotification, we can't calculate an expectedsize. Log an error and discard the notification instead of reading...

CVE-2023-52926

In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when read i/o returned 0 except for -EAGAIN and -EIOCBQUEUED return. This can lead to a potential use-after-free when the completion via iorwdone runs at separate...

CVE-2023-52926

CVE-2023-52926 is a Linux kernel vulnerability where IORING_OP_READ does not fully consume the provided buffer list when read returns a negative value (except -EAGAIN/-EIOCBQUEUED). This can cause a use-after-free when the completion io_rw_done runs in a different context. The issue is documented...

CVE-2023-52926 io_uring/rw: split io_read() into a helper

In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when read i/o returned 0 except for -EAGAIN and -EIOCBQUEUED return. This can lead to a potential use-after-free when the completion via iorwdone runs at separate...

PT-2025-25817

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.13.0-rc7 Description A vulnerability has been resolved in the Linux kernel related to the dmaengine, specifically the k3-udma-glue. The issue arises from the k3 udma glue reset rx chn function, which previously...

The vulnerability of the iio component in the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the iio component in the Linux operating system’s kernel involves reading beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

Siemens SIMATIC and SCALANCE Devices Divide By Zero (CVE-2023-31085)

An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in dodivsz,mtd-erasesize, used indirectly by ctrlcdevioctl, when mtd-erasesize is 0. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC and SCALANCE Devices Use After Free (CVE-2023-4921)

A use-after-free vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfqdequeue due to the incorrect .peek handler of...

Siemens SIMATIC and SCALANCE Devices Improper Resource Shutdown or Release (CVE-2022-3524)

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function ipv6renewoptions of the component IPv6 Handler. The manipulation leads to memory leak. The attack can be launched remotely. It is recommended to apply a patch to fix this...

Siemens SIMATIC and SCALANCE Devices Linux Kernel Integer Overflow or Wraparound (CVE-2023-23559)

In rndisqueryoid in drivers/net/wireless/rndiswlan.c in the Linux kernel through 6.1.5, there is an integer overflow in an addition. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. C Tenable, Inc. include'compat.inc'; if...

Siemens SIMATIC and SCALANCE Devices Out-of-bounds Write (CVE-2023-3611)

An out-of-bounds write vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. The qfqchangeagg function in net/sched/schqfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. Thi...

CVE-2025-21704

In the Linux kernel, the following vulnerability has been resolved: usb: cdc-acm: Check control transfer buffer size before access If the first fragment is shorter than struct usbcdcnotification, we can't calculate an expectedsize. Log an error and discard the notification instead of reading...

CVE-2025-21704 usb: cdc-acm: Check control transfer buffer size before access

In the Linux kernel, the following vulnerability has been resolved: usb: cdc-acm: Check control transfer buffer size before access If the first fragment is shorter than struct usbcdcnotification, we can't calculate an expectedsize. Log an error and discard the notification instead of reading...

CVE-2025-21704

CVE-2025-21704 affects the Linux kernel USB CDC-ACM (cdc_acm) path. The root cause is improper handling of fragmented control transfers: if the first fragment is smaller than struct usb_cdc_notification, computing expected_size can underflow as fragments arrive, leading to memory corruption when ...