PT-2025-25990 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free issue in the Linux kernel has been identified, specifically in the virtio-blk component. The issue occurs when the hctx-user data is set to vq in virtblk init hctx, bu...

Linux kernel 安全漏洞

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 virtio device not being properly reset at shutdown resulting in memory access errors...

Linux kernel 安全漏洞

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 virtio-blk's use of a freed vq pointer after a hang recovery resulting in post-release reuse...

PT-2025-25991 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak issue has been identified in the Linux kernel, specifically within the virtio net component when handling XPD TX with mergeable functionality. The problem arises when the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: caifvirtio: The incorrect pointer check in cfvprobe was fixed. delvqs frees virtqueues. Therefore, the pointer cfv-vqtx should be checked for being NULL before calling delvqs. Instead of checking cfv-vdev, this check is necessary...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Discard packets if the transport changes. If the socket has been de-assigned or assigned to another transport, we must discard any packets received because they are not expected and would cause issues when accessing...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: virtioring: Fixed a data race by marking eventtriggered as “racy” for KCSAN. The syzbot reported a data race when accessing eventTriggered. Here is the simplified stack when the issue occurred:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: virtio-net: A memory leak occurs in the virtnetxskpoolenable function when freeing the xskbuffs. The selftests added to our CI by Bui Quang Minh recently revealed that there is a memory leak in the error path of...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: sound/virtio: Fixed warnings related to cancelsync on uninitialized workstructs. Betty reported encountering the following warning: 8.709131 T221 WARNING: CPU: 2 PID: 221 at kernel/workqueue.c:4182 ... 8.713282 T221 Call trace:...

kernel: vsock/virtio: discard packets if the transport changes

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: discard packets if the transport changes If the socket has been de-assigned or assigned to another transport, we must discard any packets received because they are not expected and would cause issues when we access...

The vulnerability of the virtio-blk component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the virtio-blk component in the Linux operating system’s kernel is related to insufficient validation of input data in the functions virtblkremove and virtblkrestore in drivers/block/virtioblk.c. Exploiting this vulnerability could allow an attacker to trigger a service failu...

OESA-2025-1594 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: test for not too small csumstart in virtionethdrtoskb syzbot was able to trigger this warning 1, after injecting a malicious packet through afpacket, settin...

The vulnerability of the virtio-scsi, virtio-blk, and virtio-crypt components of the QEMU hardware emulation driver’s virtqueue_push() function allows a attacker to disclose sensitive information.

The vulnerability of the virtio-scsi, virtio-blk, and virtio-crypt components of the QEMU hardware emulation driver’s virtqueuepush function is related to insufficient protection of service data. Exploiting this vulnerability can allow an attacker to disclose protected information through the...

USN-7513-5 linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - x86 architecture; - Block layer subsystem; - Compute Acceleration Framework; - ACPI drivers;...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length CVE-2021-47352 In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix race on port output CVE-2023-53188 In the Linux kernel, the...

USN-7540-1: Linux kernel (Raspberry Pi) vulnerabilities

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2024-23848 Attila Szász discovered that the HFS+ file system...

USN-7524-1 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

USN-7524-1: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

Ubuntu 24.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-7524-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7524-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

CVE-2021-32846

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107, function pcivtsockproctx in virtio-sock can lead to to uninitialized memory use. In this situation, there is a check for the return value to be less or equal to VTSOCKMAXSEGS, but that check is...