Description
A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | kernel 5.19 rc1 | — |
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 | 5.18.2-1 | — |
| Debian 13 | linux | 5.18.2-1 | — |
| Debian 12 | linux | 5.18.2-1 | — |
| 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 | 5.15.0-47.51 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1019.23 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1019.24 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1017.23 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1015.18 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1002.4 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1013.15 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1015.20 | USN-5616-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1017.21 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-lowlatency | 5.15.0-47.53 | USN-5594-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1007.7 | — |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1013.14 | USN-5529-1 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1017.22 | USN-5599-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1014.16 | USN-5602-1 |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv | 5.15.0-1018.21 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1019.23~20.04.1 | USN-5594-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1019.24~20.04.1 | USN-5594-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1017.23~20.04.2 | USN-5594-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1015.18~20.04.1 | USN-5594-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-48.54~20.04.1 | USN-5623-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1015.20~20.04.2 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1044.49 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1017.22~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1018.21~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +11 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1020.20 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | kernel-rt +12 | 5.14.0-162.6.1.rt21.168.el9_1 | RHSA-2022:7933 |
| RHEL 9 | perf +29 | 5.14.0-162.6.1.el9_1 | RHSA-2022:8267 |
| RHEL 8 | kernel-rt +12 | 4.18.0-425.3.1.rt7.213.el8 | RHSA-2022:7444 |
| RHEL 8 | perf +26 | 4.18.0-425.3.1.el8 | RHSA-2022:7683 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | perf +2 | 4.18.0-372.100.1.el8_6 | RHSA-2024:1877 |
| RHEL 8.6 EUS | perf +26 | 4.18.0-372.100.1.el8_6 | RHSA-2024:1877 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | kernel-rt +11 | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux 9 | perf +27 | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux 8 | kernel-rt +11 | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux 8 | perf +24 | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | kernel | 4.18.0-425.3.1.el8 | RLSA-2022:7683 |
| Rocky Linux 8 | kernel-rt | 4.18.0-425.3.1.rt7.213.el8 | RLSA-2022:7444 |
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 Tumbleweed | kernel-source | 5.18.2-1.1 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:12133-1 |
| 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 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.55.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | perf +21 | 5.14.0-162.6.1.el9_1 | ELSA-2022-8267 |
| Oracle Linux 8 | perf +19 | 4.18.0-425.3.1.el8 | ELSA-2022-7683 |
| Oracle Linux 7 | kernel-uek +4 | 5.4.17-2136.307.3.5.el8uek | ELSA-2022-9442 |
| Oracle Linux 7 | kernel-uek-container +1 | 5.4.17-2136.307.3.5.el8 | ELSA-2022-9443 |
| Oracle Linux 7 | perf +3 | 5.4.17-2136.307.3.5.el7uek | ELSA-2022-9442 |
Advisories 31
- ALSA-2022:8267 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7933 Moderate: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7444 Moderate: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7683 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8267 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2022:7683 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2024:1877 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:7933 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:7444 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SSA-794697 SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.1 Siemens ProductCERT · Oct 13, 2026
- USN-5594-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-gkeop, linux-ibm, linux-kvm, linux-lowlatency vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5599-1 linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5602-1 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5616-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5623-1 linux-hwe-5.15, linux-lowlatency-hwe-5.15 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5529-1 linux-oem-5.17 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- DSA-5161-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:7444 Moderate: kernel-rt security and bug fix update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7683 Moderate: kernel security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2022:2520-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media 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
- openSUSE-SU-2024:12133-1 kernel-devel-5.18.2-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2022-0269 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Apr 17, 2024
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- ICSA-23-166-11 Siemens SIMATIC S7-1500 TM MFP Linux Kernel CISA ICS & IT advisories · Apr 9, 2024
- WID-SEC-2023-1432 Siemens SIMATIC S7: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 22, 2023
- ELSA-2022-8267 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7683 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 15, 2022
- ELSA-2022-9443 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 28, 2022
- ELSA-2022-9442 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 28, 2022