CVE-2026-46032
KVM: nSVM: Triple fault if restore host CR3 fails on nested #VMEXIT
02 Description
KVM: nSVM: Triple fault if restore host CR3 fails on nested #VMEXIT
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 2.5% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-21.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-27 12:56Z5 MO AGO
- Last updated
- 2026-10-21 12:41Z8 DAYS AGO
- Reserved
- 2026-05-13
- Assigning CNA
- Linux
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.2
- Document digest
- 370259b22cd86065881e4bbc9be6673d24810da389cd36e72684ffd5cd58c5fc
05 Affected products
06 References
- git.kernel.orghttps://git.kernel.org/stable/c/2e661773890e6ba6b16064fad961da3dd311be43
- git.kernel.orghttps://git.kernel.org/stable/c/af79992ecdb6817970d757fb5d853b8d9b55a0d6
- git.kernel.orghttps://git.kernel.org/stable/c/b0eb0a8959ac2b808eb11548d002fe1f9b5650cc
- git.kernel.orghttps://git.kernel.org/stable/c/9a738cf170a4a2332ea3a15e23ec65b5757fe4a1
- git.kernel.orghttps://git.kernel.org/stable/c/5d291ef0585ed880ed4dd71ea1a5965e0a65fb53
07 Fixed in
Debian 12
- linux No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 7.0.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux-hwe-edge No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux-aws-5.0 No fix yet
- linux-aws-5.3 No fix yet
- linux-azure No fix yet
- linux-azure-5.3 No fix yet
- linux-azure-edge No fix yet
- linux-gcp No fix yet
- linux-gcp-5.3 No fix yet
- linux-gke-4.15 No fix yet
- linux-gke-5.4 No fix yet
- linux-gkeop-5.4 No fix yet
- linux-hwe No fix yet
- linux-hwe-edge No fix yet
- linux-oem No fix yet
- linux-oracle-5.0 No fix yet
- linux-oracle-5.3 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- linux-aws-5.11 No fix yet
- linux-aws-5.13 No fix yet
- linux-aws-5.8 No fix yet
- linux-azure-5.11 No fix yet
- linux-azure-5.13 No fix yet
- linux-azure-5.8 No fix yet
- linux-azure-fde No fix yet
- linux-gcp-5.11 No fix yet
- linux-gcp-5.13 No fix yet
- linux-gcp-5.8 No fix yet
- linux-gke No fix yet
- linux-gke-5.15 No fix yet
- linux-gkeop No fix yet
- linux-gkeop-5.15 No fix yet
- linux-hwe-5.11 No fix yet
- linux-hwe-5.13 No fix yet
- linux-hwe-5.8 No fix yet
- linux-intel-5.13 No fix yet
- linux-oem-5.10 No fix yet
- linux-oem-5.13 No fix yet
- linux-oem-5.14 No fix yet
- linux-oem-5.6 No fix yet
- linux-oracle-5.11 No fix yet
- linux-oracle-5.13 No fix yet
- linux-oracle-5.8 No fix yet
- linux-raspi2 No fix yet
- linux-riscv No fix yet
- linux-riscv-5.11 No fix yet
- linux-riscv-5.8 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- linux No fix yet
- linux-allwinner-5.19 No fix yet
- linux-aws No fix yet
- linux-aws-5.19 No fix yet
- linux-aws-6.2 No fix yet
- linux-aws-6.5 No fix yet
- linux-aws-6.8 No fix yet
- linux-azure No fix yet
- linux-azure-5.19 No fix yet
- linux-azure-6.2 No fix yet
- linux-azure-6.5 No fix yet
- linux-azure-6.8 No fix yet
- linux-azure-fde No fix yet
- linux-azure-fde-5.19 No fix yet
- linux-azure-fde-6.2 No fix yet
- linux-azure-fde-6.8 No fix yet
- linux-gcp No fix yet
- linux-gcp-5.19 No fix yet
- linux-gcp-6.2 No fix yet
- linux-gcp-6.5 No fix yet
- linux-gcp-6.8 No fix yet
- linux-gke No fix yet
- linux-gkeop No fix yet
- linux-hwe-5.19 No fix yet
- linux-hwe-6.2 No fix yet
- linux-hwe-6.5 No fix yet
- linux-hwe-6.8 No fix yet
- linux-ibm No fix yet
- linux-ibm-6.8 No fix yet
- linux-intel-iot-realtime No fix yet
- linux-intel-iotg No fix yet
- linux-kvm No fix yet
- linux-lowlatency No fix yet
- linux-lowlatency-hwe-5.19 No fix yet
- linux-lowlatency-hwe-6.2 No fix yet
- linux-lowlatency-hwe-6.5 No fix yet
- linux-lowlatency-hwe-6.8 No fix yet
- linux-nvidia No fix yet
- linux-nvidia-6.2 No fix yet
- linux-nvidia-6.5 No fix yet
20 further packages in Ubuntu 22.04 LTS not shown (first 40 listed).
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- linux No fix yet
- linux-aws No fix yet
- linux-aws-6.14 No fix yet
- linux-aws-6.17 No fix yet
- linux-azure No fix yet
- linux-azure-6.11 No fix yet
- linux-azure-6.14 No fix yet
- linux-azure-6.17 No fix yet
- linux-azure-fde No fix yet
- linux-azure-fde-6.14 No fix yet
- linux-azure-fde-6.17 No fix yet
- linux-azure-nvidia No fix yet
- linux-azure-nvidia-6.14 No fix yet
- linux-gcp No fix yet
- linux-gcp-6.11 No fix yet
- linux-gcp-6.14 No fix yet
- linux-gcp-6.17 No fix yet
- linux-gke No fix yet
- linux-gkeop No fix yet
- linux-hwe-6.11 No fix yet
- linux-hwe-6.14 No fix yet
- linux-hwe-6.17 No fix yet
- linux-hwe-7.0 Fixed in 7.0.0-28.28~24.04.1
- linux-ibm No fix yet
- linux-lowlatency No fix yet
- linux-lowlatency-hwe-6.11 No fix yet
- linux-nvidia No fix yet
- linux-nvidia-6.11 No fix yet
- linux-nvidia-6.17 No fix yet
- linux-nvidia-lowlatency No fix yet
- linux-nvidia-tegra No fix yet
- linux-oem-6.11 No fix yet
- linux-oem-6.14 No fix yet
- linux-oem-6.17 No fix yet
- linux-oem-6.8 No fix yet
- linux-oracle No fix yet
- linux-oracle-6.14 No fix yet
- linux-oracle-6.17 No fix yet
- linux-raspi No fix yet
- linux-raspi-realtime No fix yet
6 further packages in Ubuntu 24.04 LTS not shown (first 40 listed).
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- linux No fix yet
- linux-aws No fix yet
- linux-azure No fix yet
- linux-azure-fde No fix yet
- linux-gcp No fix yet
- linux-oracle No fix yet
- linux-raspi No fix yet
- linux-realtime No fix yet
- linux-riscv No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- linux Fixed in 7.0.0-27.27
- linux-aws Fixed in 7.0.0-1008.8
- linux-azure Fixed in 7.0.0-1010.10
- linux-azure-fde Fixed in 7.0.0-1009.9
- linux-gcp Fixed in 7.0.0-1007.7
- linux-ibm Fixed in 7.0.0-1009.9
- linux-nvidia Fixed in 7.0.0-1013.13
- linux-oem-7.0 Fixed in 7.0.0-1008.8
- linux-oracle Fixed in 7.0.0-1007.7
- linux-raspi Fixed in 7.0.0-1014.14
- linux-realtime Fixed in 7.0.0-27.27.1
- linux-riscv Fixed in 7.0.0-27.27.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Nvidia-BlueField 22.04 LTS
- linux-bluefield No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Nvidia-BlueField 24.04 LTS
- linux-bluefield No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- linux-aws-5.15 No fix yet
- linux-azure-5.15 No fix yet
- linux-azure-fde-5.15 No fix yet
- linux-gcp-5.15 No fix yet
- linux-hwe-5.15 No fix yet
- linux-ibm-5.15 No fix yet
- linux-intel-iotg-5.15 No fix yet
- linux-lowlatency-hwe-5.15 No fix yet
- linux-nvidia-tegra-5.15 No fix yet
- linux-oracle-5.15 No fix yet
- linux-riscv-5.15 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-preview 22.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 22.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 24.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro Realtime 22.04 LTS
- linux-intel-iot-realtime No fix yet
- linux-realtime No fix yet
- linux-realtime-6.8 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro Realtime 24.04 LTS
- linux-raspi-realtime No fix yet
- linux-realtime No fix yet
- linux-realtime-6.14 No fix yet
- linux-realtime-6.17 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.