6.5
Medium
CVE-2026-86561 Dpdk: dpdk: missing memory size validation before mmap in vhost memory region setup
Description
A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitable with local access to the machine, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- Interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Fast Datapath for RHEL 10 | Versions not published | |
| Fast Datapath for RHEL 8 | Versions not published | |
| Fast Datapath for RHEL 9 | Versions not published | |
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| Red Hat OpenStack Platform 13 (Queens) | Versions not published |
References
- RHSA-2026:94629 access.redhat.com
- RHSA-2026:94630 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2529666 bugzilla.redhat.com
Timeline
- Published
- Last modified
Other CVEs of Fast Datapath for RHEL 10
The 18 CVEs of Fast Datapath for RHEL 10 →
CVE-2026-86849
Dpdk: dpdk: integer overflow combined with missing validation leads to host buffer overflow in vhost-crypto
6.5
Medium
CVE-2026-86856
Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver
6.5
Medium
CVE-2026-86847
Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto writeback chain cleanup
6.5
Medium
CVE-2026-86846
Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto
6.5
Medium