CVE-2026-86845
Dpdk: dpdk: guest-triggered use-after-free and type confusion in vhost-crypto session cleanup
- State
- Published
- Severity
- 6.5 Medium
- Published
- Oct 14, 2026
- Updated
- Oct 15, 2026
- Reserved
- Sep 8, 2026
Description
A flaw was found in DPDK lib/vhost vhost-crypto. Session cleanup can leave a stale cached session pointer, and the data path does not check the session type before attaching it, leading to use-after-free or type confusion in the host vhost-crypto backend.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H | redhat |
Weaknesses
- CWE-825 Expired Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
Fast Datapath for RHEL 10Red Hat | |
Fast Datapath for RHEL 10Red Hat | |
Fast Datapath for RHEL 10Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 8Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Fast Datapath for RHEL 9Red Hat | |
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat OpenShift Container Platform 4Red Hat | |
Red Hat OpenShift Container Platform 4Red Hat | |
Red Hat OpenShift Container Platform 4Red Hat | |
Red Hat OpenStack Platform 13 (Queens)Red Hat |
References
- https://access.redhat.com/security/cve/CVE-2026-86845vdb-entry
- RHBZ#2529844issue-tracking
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