VDB
RHSA-2026:76739
RHSA-2026:76739
PUBLISHED
CVSS 7.5 HIGH
kernel: KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | kernel-tools-libs-0:5.14.0-687.55.1.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-modules-extra-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-core-0:5.14.0-687.55.1.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-debuginfo-0:5.14.0-687.55.1.el9_8.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | perf-0:5.14.0-687.55.1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-debug-debuginfo-0:5.14.0-687.55.1.el9_8.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-debug-debuginfo-0:5.14.0-687.55.1.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-64k-debuginfo-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-modules-core-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | rv-0:5.14.0-687.55.1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-64k-debug-debuginfo-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-debug-debuginfo-0:5.14.0-687.55.1.el9_8.x86_64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | libperf-debuginfo-0:5.14.0-687.55.1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-debug-modules-core-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-tools-debuginfo-0:5.14.0-687.55.1.el9_8.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-debug-debuginfo-0:5.14.0-687.55.1.el9_8.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-debuginfo-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-debuginfo-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-64k-debug-debuginfo-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9) | 0:5.14.0-687.55.1.el9_8 |
| Red Hat | kernel-rt-modules-extra-0:5.14.0-687.55.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9) | 0:5.14.0-687.55.1.el9_8 |
…and 283 more
Timeline
- Oct 8, 2026 CVE Published
- Oct 30, 2026 CVE Updated
- Oct 30, 2026 Distribution Patch
- Oct 30, 2026 Distribution Patch
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
- Oct 30, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:76739 advisory
- https://access.redhat.com/security/updates/classification/#important advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2414466 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2454807 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2468043 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2481992 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2482143 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2486398 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2486976 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2492091 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2492276 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2492397 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2496574 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502230 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502326 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502327 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502330 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502369 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502395 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2502431 issue
…and 174 more