CVE-2026-23086 vsock/virtio: cap TX credit to local buffer size

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: cap TX credit to local buffer size The virtio transports derives its TX credit directly from peerbufalloc, which is set from the remote endpoint's SOVMSOCKETSBUFFERSIZE value. On the host side this means that the...

CVE-2026-23086

Technical details about CVE-2026-23086 are not publicly available in the provided connected documents; monitor vendor advisories and official CVE writeups for updates.

CVE-2026-23086

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: cap TX credit to local buffer size The virtio transports derives its TX credit directly from peerbufalloc, which is set from the remote endpoint's SOVMSOCKETSBUFFERSIZE value. On the host side this means that the...

CVE-2026-23069

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential underflow in virtiotransportgetcredit The credit calculation in virtiotransportgetcredit uses unsigned arithmetic: ret = vvs-peerbufalloc - vvs-txcnt - vvs-peerfwdcnt; If the peer shrinks its advertise...

CVE-2026-23057 vsock/virtio: Coalesce only linear skb

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Coalesce only linear skb vsock/virtio common tries to coalesce buffers in rx queue: if a linear skb with a spare tail room is followed by a small skb length limited by GOODCOPYLEN = 128, an attempt is made to join...

EUVD-2026-5487

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Coalesce only linear skb vsock/virtio common tries to coalesce buffers in rx queue: if a linear skb with a spare tail room is followed by a small skb length limited by GOODCOPYLEN = 128, an attempt is made to join...

CVE-2026-23057

The CVE-2026-23057 issue in the Linux kernel is that vsock/virtio attempts to coalesce two skbs in the RX path when a linear skb with spare tail room is followed by a small skb (

CVE-2026-23057 vsock/virtio: Coalesce only linear skb

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Coalesce only linear skb vsock/virtio common tries to coalesce buffers in rx queue: if a linear skb with a spare tail room is followed by a small skb length limited by GOODCOPYLEN = 128, an attempt is made to join...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

kernel: Linux kernel: vsock vulnerability may lead to memory corruption

A flaw was found in the Linux kernel's vsock component. This vulnerability occurs when a connect operation on an already established socket is interrupted by a signal or timeout, causing the system to mishandle the socket's state. This incorrect handling can lead to a race condition, potentially...

Linux Distros Unpatched Vulnerability : CVE-2026-23086

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: cap TX credit to local buffer size The virtio transports derives its TX credit directly from peerbufalloc, which is set from the remote endpoint's...

Linux Distros Unpatched Vulnerability : CVE-2026-23057

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: Coalesce only linear skb vsock/virtio common tries to coalesce buffers in rx queue: if a linear skb with a spare tail room is followed by a small...

RHEL 9 : kernel (RHSA-2026:1909)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1909 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: vsock...

RHEL 9 : kernel (RHSA-2026:1879)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1879 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-fre...

RLSA-2026:1148 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Bluetooth: hcievent: call disconnect callback before deleting conn CVE-2023-53673 kernel: ASoC: Intel: bytcrrt5640: Fix invalid...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

RLSA-2026:1142 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: hcievent: call disconnect callback before deleting conn CVE-2023-53673 kernel: ASoC: Intel: bytcrrt5640: Fix invalid quirk input mapping CVE-2025-40154 kernel: Linux kernel:...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RockyLinux 8 : kernel (RLSA-2026:1142)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:1142 advisory. kernel: Bluetooth: hcievent: call disconnect callback before deleting conn CVE-2023-53673 kernel: ASoC: Intel: bytcrrt5640: Fix invalid quirk input mappi...