Description
With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | no patch information available yet | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.17.11-1 | — |
| Debian 13 | linux | 5.17.11-1 | — |
| Debian 12 | linux | 5.17.11-1 | — |
| Debian 11 | linux | 5.10.120-1 | DSA-5161-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-41.44 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1015.19 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1014.17 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1013.18 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1011.14 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1002.4 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1010.12 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1013.16 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1013.14 | USN-5529-1 |
| Ubuntu 22.04 LTS | linux-oracle +1 | 5.15.0-1013.17 | USN-5564-1, USN-5518-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1012.14 | USN-5518-1 |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv | 5.15.0-1015.17 | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-122.138 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1081.88 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1086.91 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1014.17~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1086.91+cvm1.1 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1042.47 | USN-5539-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1084.92 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1013.18~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1078.84 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1049.52 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-41.44~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1029.33 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1015.20~20.04.2 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1004.6 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1071.76 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-42.45~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1044.49 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1079.87 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1013.17~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1066.76 | USN-5514-1 |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1081.88~18.04.1 | USN-5514-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1086.91~18.04.1 | USN-5514-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1084.92~18.04.1 | USN-5539-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1078.84~18.04.1 | USN-5539-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1049.52~18.04.1 | USN-5514-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-122.138~18.04.1 | USN-5514-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1029.33~18.04.1 | USN-5514-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1079.87~18.04.1 | USN-5514-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1066.76~18.04.1 | USN-5514-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1016.16 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips +1 | 5.4.0-1081.88+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1086.91+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1057.65 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.0.0-284.11.1.el9_2 | RHSA-2023:2458 |
| RHEL 9 | kernel-rt +14 | 5.14.0-284.11.1.rt14.296.el9_2 | RHSA-2023:2148 |
| RHEL 9 | perf +48 | 5.14.0-284.11.1.el9_2 | RHSA-2023:2458 |
| RHEL 8 | kernel-rt +12 | 4.18.0-477.10.1.rt7.274.el8_8 | RHSA-2023:2736 |
| RHEL 8 | perf +26 | 4.18.0-477.10.1.el8_8 | RHSA-2023:2951 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.6 TUS | perf +17 | 4.18.0-372.111.1.el8_6 | RHSA-2024:4447 |
| RHEL 8.6 E4S | perf +25 | 4.18.0-372.111.1.el8_6 | RHSA-2024:4447 |
| RHEL 8.6 AUS | perf +17 | 4.18.0-372.111.1.el8_6 | RHSA-2024:4447 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | bpftool | 7.0.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux 9 | kernel-rt +13 | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux 9 | perf +45 | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux 8 | kernel-rt +11 | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux 8 | perf +23 | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.7.1 | SUSE-SU-2022:2615-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.11.1.150400.24.3.6 | SUSE-SU-2022:2520-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_1 | 1-150400.9.5.3 | SUSE-SU-2022:2520-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 +10 | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.7.1 | SUSE-SU-2022:2615-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.11.1.150400.24.3.6 | SUSE-SU-2022:2520-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.10-15.42 | 1.0-0.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2023 | perf +12 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.0.0-284.11.1.el9_2 | ELSA-2023-2458 |
| Oracle Linux 9 | perf +25 | 5.14.0-284.11.1.el9_2 | ELSA-2023-2458 |
| Oracle Linux 8 | perf +19 | 4.18.0-477.10.1.el8_8 | ELSA-2023-2951 |
Advisories 22
- ALSA-2023:2458 Important: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:2148 Important: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:2951 Important: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:2736 Important: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:2951 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2023:2458 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2023:2736 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2023:2148 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- USN-5539-1 linux-bluefield, linux-gcp-5.4, linux-gke-5.4 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5514-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gke, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5564-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5529-1 linux-oem-5.17 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5518-1 linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- RHSA-2024:4447 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Sep 11, 2026
- DSA-5161-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:2520-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2615-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0064 Juniper Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 10, 2025
- WID-SEC-2022-0268 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jul 9, 2024
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- ELSA-2023-2951 Important: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 23, 2023
- ELSA-2023-2458 Important: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 15, 2023
References
- https://francozappa.github.io/about-bias/
- https://bugzilla.redhat.com/show_bug.cgi?id=1832397
- https://kb.cert.org/vuls/id/647177/
- FEDORA-2022-ef8c8a5925 vendor-advisory
- FEDORA-2022-be819b07a3 vendor-advisory
- FEDORA-2022-3b86247c11 vendor-advisory
- DSA-5161 vendor-advisory