Vulnerability in Red Hat Enterprise Linux 10
CVE-2026-6426
A type mismatch vulnerability was found in QEMU's vhost inflight migration VMState handling. The destination buffer size is stored as a uint64_t but read by the VMS_VBUFFER load path as a signed int32_t. On little-endian hosts, a crafted i…
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-6426?
- CVE-2026-6426 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Incorrect Conversion between Numeric Types. CVSS score: 4.4/10. Published 2026-08-10.
- How severe is CVE-2026-6426?
- Medium severity. CVSS v3 base score is 4.4 out of 10.