ALSA-2026:67470 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vhost: move vdpa group bound check to vhostvdpa CVE-2026-43248 kernel: security/keys: fix missed RCU read section on lookup CVE-2026-64015 kernel: octeontx2-af: validate body pcifunc in...

RHEL 9 : kernel (RHSA-2026:67470)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:67470 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vhost: move vdpa group bound...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vhost: move vdpa group bound check to vhostvdpa CVE-2026-43248 kernel: security/keys: fix missed RCU read section on lookup CVE-2026-64015 kernel: octeontx2-af: validate body pcifunc in...

EUVD-2026-77455

froxlor versions before 2.2.5 fail to validate newline characters in subdomain redirect URLs, allowing authenticated customers to inject arbitrary nginx or Apache configuration directives. Attackers can supply URLs containing literal newlines that are written verbatim into vhost config files duri...

CVE-2026-90937 froxlor before 2.2.5 nginx/Apache Configuration Injection via subdomain redirect URL

froxlor versions before 2.2.5 fail to validate newline characters in subdomain redirect URLs, allowing authenticated customers to inject arbitrary nginx or Apache configuration directives. Attackers can supply URLs containing literal newlines that are written verbatim into vhost config files duri...

CVE-2026-90937 froxlor before 2.2.5 nginx/Apache Configuration Injection via subdomain redirect URL

froxlor versions before 2.2.5 fail to validate newline characters in subdomain redirect URLs, allowing authenticated customers to inject arbitrary nginx or Apache configuration directives. Attackers can supply URLs containing literal newlines that are written verbatim into vhost config files duri...

CVE-2026-90937

froxlor versions before 2.2.5 fail to validate newline characters in subdomain redirect URLs . An authenticated customer can supply URLs containing literal newlines that are written verbatim into vhost configuration files during the cron rebuild process, enabling injection of arbitrary nginx or A...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vhostvdpa: The irqbypassunregisterproducer function must correctly assign the token. Previously, we used irqbypassunregisterproducer in vhostvdpasetupvqirq, which was problematic because we had no way of knowing whether the...

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 – 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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Always initialize seqpacketallow. There are two issues related to seqpacketallow: 1. seqpacketallow is not initialized when a socket is created. Therefore, if no features are set, it will be read uninitialized. 2...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vhost-scsi: Protect vq-logused with vq-mutex The vhost-scsi completion path may access vq-logbase when vq-logused is already set to false. vhost-thread QEMU-thread vhostscsicompletecmdwork - vhostaddused - vhostaddusedn If...

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 – 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 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 – 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 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...

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 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...