dpdk: dpdk: Guest with runt RX descriptors underflows copy length in vhost enqueue (split and packed rings)

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

dpdk: dpdk: Guest with runt RX descriptors underflows copy length in vhost enqueue (split and packed rings)

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143099)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143099 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142731)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142731 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock...

CLSA-2025-1747725447 kernel: Fix of 38 CVEs

ext4: fix OOB read when checking dotdot dir CVE-2025-37785 - wifi: iwlwifi: limit printed string from FW file CVE-2025-21905 - drm/amdgpu: Fix potential out-of-bounds access in 'amdgpudiscoveryregbaseinit' CVE-2024-27042 - dm-crypt: don't modify the data when using authenticated encryption...

CLSA-2025-1758010922 Fix of 49 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-38000 - schhfsc: Fix qlen accounting bug when using peek in hfscenqueue CVE-url: https://ubuntu.com/security/CVE-2024-57996 // CVE-url: https://ubuntu.com/security/CVE-2025-37752 - netsched: schsfq: move the limit validation Focal update: v5.4.285...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix stale direct dispatch state in ddspdsqid @p-scx.ddspdsqid can be left set non-SCXDSQINVALID triggering a spurious warning in markdirectdispatch when the next wakeup's ops.selectcpu calls scxbpfdsqinsert, such as:...

CVE-2026-98463

In the Linux kernel, the following vulnerability has been resolved: schedext: Derive SCXRQINWAKEUP from the core enqueue flags scheduledeferredlocked skips scheduling a deferred action while SCXRQINWAKEUP is set and relies on the taskwokenscx call that follows a wakeup enqueue to run it...

SUSE CVE-2026-86566

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

Astra Linux – vulnerability in linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on the len parameter to prevent empty skb. This prevents a division error in the netemenqueue function, which occurs when skb-len=0 and...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in skpsockskbingressenqueue Fix NULL pointer data-races in skpsockskbingressenqueue, as reported by syzbot 1. 1 BUG: KCSAN: data-race in skpsockdrop / skpsockskbingressenqueue Write to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

The atmtcenqueue function in the net/sched/schatm.c file of the Linux kernel, as of version 6.1.4, allows attackers to cause a denial of service due to type confusion. In some cases, non-negative numbers can indicate a TCACTSHOT condition instead of valid classification results...

CVE-2026-86566

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

DEBIAN-CVE-2026-86566

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

CVE-2026-86566

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

UBUNTU-CVE-2026-86566

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

CVE-2026-86566

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

CVE-2026-86566 Dpdk: dpdk: guest with runt rx descriptors underflows copy length in vhost enqueue (split and packed rings)

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

CVE-2026-86566 Dpdk: dpdk: guest with runt rx descriptors underflows copy length in vhost enqueue (split and packed rings)

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK...

CVE-2026-86566

A flaw exists in DPDK lib/vhost where a guest providing runt RX descriptors can trigger an integer underflow (CWE-191) in the copy length during vhost enqueue (supporting both split and packed rings). This vulnerability results in a denial of service for shared vhost backends, such as OVS-DPDK . ...