ALSA-2026:94629: Important: dpdk security update

Published Nov 3, 2026
·
Updated

The dpdk packages provide the Data Plane Development Kit, which is a set of libraries and drivers for fast packet processing in the user space.

Security Fix(es):

dpdk: dpdk: Missing memory size validation before mmap in vhost memory region setup (CVE-2026-86561) dpdk: dpdk: Control-queue descriptor double-fetch overflows host heap in DPDK vhost (VDUSE) (CVE-2026-86562) dpdk: dpdk: Double offset bug in vhost log mapping calculation (CVE-2026-86563) dpdk: dpdk: Guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write (CVE-2026-86565) dpdk: dpdk: Guest with runt RX descriptors underflows copy length in vhost enqueue (split and packed rings) (CVE-2026-86566) dpdk: dpdk: VDUSE handler fails to invalidate vring pointers when IOTLB is invalidated, leading to use-after-unmap (CVE-2026-86567) dpdk: dpdk: Guest-triggered use-after-free and type confusion in vhost-crypto session cleanup (CVE-2026-86845) dpdk: dpdk: Guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto (CVE-2026-86846) dpdk: dpdk: Guest can trigger infinite loop in vhost-crypto writeback chain cleanup (CVE-2026-86847) dpdk: dpdk: Time-of-check/time-of-use vulnerability allowing guest-triggered out-of-bounds write in vhost-crypto (CVE-2026-86848) dpdk: dpdk: Integer overflow combined with missing validation leads to host buffer overflow in vhost-crypto (CVE-2026-86849) dpdk: dpdk: Stack and heap buffer overflow in nfp vDPA driver (CVE-2026-86856) dpdk: dpdk: Guest-triggered out-of-bounds walk via vhost indirect descriptor length TOCTOU (CVE-2026-93683) dpdk: dpdk: heap out-of-bounds read/write in GSO header copy (CVE-2026-100236)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

4 affected componentsFixes available
almalinux/dpdk<2:25.11-2.el9_8
2:25.11-2.el9_8
almalinux/dpdk-devel<2:25.11-2.el9_8
2:25.11-2.el9_8
almalinux/dpdk-doc<2:25.11-2.el9_8
2:25.11-2.el9_8
almalinux/dpdk-tools<2:25.11-2.el9_8
2:25.11-2.el9_8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade almalinux/dpdk to a version that resolves this vulnerability.

    Fixed in 2:25.11-2.el9_8
  2. Upgrade

    Upgrade almalinux/dpdk-devel to a version that resolves this vulnerability.

    Fixed in 2:25.11-2.el9_8
  3. Upgrade

    Upgrade almalinux/dpdk-doc to a version that resolves this vulnerability.

    Fixed in 2:25.11-2.el9_8
  4. Upgrade

    Upgrade almalinux/dpdk-tools to a version that resolves this vulnerability.

    Fixed in 2:25.11-2.el9_8

Event History

Nov 3, 2026
Advisory Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software

Contact

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