Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: vhost: reset the vring metadata cache on vring reconfiguration CVE-2026-74580 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.15 Extra. Visit this page to learn more about...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098691)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098691 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: protect vq-logused with vq-mutex The vhost-scsi completion path may access vq-logbas...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098851)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098851 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: Fix handling of multiple calls to vhostscsisetendpoint If vhostscsisetendpoint is...

CVE-2026-74702

A flaw was found in the vhost-scsi component of the Linux kernel. This vulnerability allows a local attacker to cause a denial of service DoS by changing virtio feature bits after the vhost-scsi endpoint has been activated. Specifically, enabling the T10-PI feature after setup can lead to an...

CVE-2026-74703

A flaw was found in the Linux kernel's vhost-scsi component. When T10 Protection Information PI is negotiated, a remote attacker could send a specially crafted request with malformed scatterlist counts. This could lead to an invalid memory allocation operation, triggering a kernel panic and...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A vulnerability was discovered in vhostnewmsg in drivers/vhost/vhost.c within the Linux kernel. This issue arises due to the improper initialization of memory in messages transmitted between virtual guests and the host operating system, as implemented in the vhostnewmsg function. This vulnerabili...

Astra Linux – Vulnerability in Qemu

An information disclosure vulnerability was discovered in the virtio vhost-user GPU device vhost-user-gpu of QEMU in versions up to and including 6.0. The flaw resides in the virglcmdgetcapsetinfo function in contrib/vhost-user-gpu/virgl.c, and can occur due to the reading of uninitialized memory...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the vhost-vsock device of QEMU. In the event of an error, an invalid element was not detached from the virtqueue before freeing its memory, resulting in memory leakage and other unexpected issues. This issue affects QEMU versions up to 6.2.0...

Astra Linux – Vulnerability in dpdk

A flaw in the permissive list of allowed inputs was discovered in DPDK. This issue allows a remote attacker to trigger a denial of service by sending a crafted Vhost header to DPDK...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vhost: vringh: Modified the return value check. The return value of copyfromiter and copytoiter cannot be negative; it is necessary to check whether the copied lengths are equal...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file via sftp using vsock, the data size is usually 32 kB. In such cases, kmalloc seems to fail when attempting to allocate 32 32 kB regions. vhost-5837...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free flaw was discovered in vhostnetsetbackend in drivers/vhost/net.c within the virtio network subcomponent of the Linux kernel, due to a double fget operation. This flaw could allow a local attacker to cause the system to crash, and could even lead to a kernel information leak issue...

Astra Linux – Vulnerability in Qemu

Several memory leaks were discovered in the virtio vhost-user GPU device vhost-user-gpu of QEMU in versions up to and including 6.0. These leaks occur in the contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c files, due to improper release of memory i.e., freeing it after...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store the vhost pointer during subcrq allocation Currently, the back pointer from a queue to the vhost adapter is not set until after the subcrq interrupt registration. This value becomes available when a queue is...

Astra Linux – Vulnerability in dpdk

A flaw was discovered in dpdk. This flaw allows a malicious vhost-user master to attach an unexpected number of fds as auxiliary data to VHOSTUSERGETINFLIGHTFD / VHOSTUSERSETINFLIGHTFD messages that are not closed by the vhost-user slave. By continuously sending such messages, the malicious...

Astra Linux – Vulnerability in Qemu

A out-of-bounds write vulnerability was discovered in the virtio vhost-user GPU device vhost-user-gpu of QEMU in versions up to and including 6.0. This flaw occurs during the processing of the ‘VIRTIOGPUCMDGETCAPSET’ command from the guest. It could allow a privileged guest user to crash the QEMU...

CVE-2026-74703

In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: Validate T10 PI scatterlist counts When T10 PI is negotiated, vhost-scsi splits protection bytes from the data iterator before mapping the request scatterlists. A malformed request can claim protection bytes that cove...

CVE-2026-74702

In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: reject feature changes after endpoint vhostscsisetupvqcmds runs from VHOSTSCSISETENDPOINT and allocates each command's protection scatterlist array protsgl according to the acknowledged VIRTIOSCSIFT10PI bit. The comma...

CVE-2026-74703

In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: Validate T10 PI scatterlist counts When T10 PI is negotiated, vhost-scsi splits protection bytes from the data iterator before mapping the request scatterlists. A malformed request can claim protection bytes that cove...

UBUNTU-CVE-2026-74713

In the Linux kernel, the following vulnerability has been resolved: vhostiotlb: bound map allocation in addrange vhostiotlbaddrangectx only retires an old entry when the table has a non-zero limit, has exactly reached that limit and has VHOSTIOTLBFLAGRETIRE set. Non-retiring tables can keep...