Description
An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
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 | 5.6.7-1 | — |
| Debian 13 | linux | 5.6.7-1 | — |
| Debian 12 | linux | 5.6.7-1 | — |
| Debian 10 | linux | 4.19.118-2+deb10u1 | DSA-4699-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-40.44 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-aws +1 | 5.4.0-1018.18 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1020.20 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1019.19 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-gke +4 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1013.13 | USN-4411-1 |
| Ubuntu 20.04 LTS | linux-riscv | 5.4.0-28.32 | USN-4411-1 |
| Ubuntu 18.04 LTS | linux-aws-5.3 +2 | 5.3.0-1030.32~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1032.33~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-gcp +6 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gke-5.0 | 5.0.0-1043.44 | USN-4413-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-62.56~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-40.44~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1063.68 | USN-4413-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | 5.3.0-1028.30~18.04.1 | USN-4412-1 |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1028.30~18.04.2 | USN-4412-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.33.1 | SUSE-SU-2020:1604-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.45.1 | SUSE-SU-2020:1599-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.16.1 | SUSE-SU-2020:1587-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.23.1 | SUSE-SU-2020:1602-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.43.1 | SUSE-SU-2020:1603-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.54.1 | SUSE-SU-2020:1605-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.16.1 | SUSE-SU-2020:1587-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.23.1 | SUSE-SU-2020:1602-1 |
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.43.1 | SUSE-SU-2020:1603-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.54.1 | SUSE-SU-2020:1605-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.45.1 | SUSE-SU-2020:1599-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_12 | 1-3.5.1 | SUSE-SU-2020:1599-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.23.1 | SUSE-SU-2020:1602-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_5 | 1-8.3.1 | SUSE-SU-2020:1602-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.54.1 | SUSE-SU-2020:1605-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_14 | 1-6.3.1 | SUSE-SU-2020:1605-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | perf +10 | 4.14.35-1902.303.4.1.el7uek | ELSA-2020-5715, ELSA-2020-5714 |
Advisories 13
- USN-4413-1 linux-gke-5.0, linux-oem-osp1 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4411-1 linux, linux-aws, inux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4412-1 linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4699-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2020:1603-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1587-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1604-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1602-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1599-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1614 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 9, 2025
- SUSE-SU-2020:1605-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2020-5714 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 9, 2020
- ELSA-2020-5715 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 9, 2020
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d80b64ff297e40c2b6f7d7abc1b3eba70d22a068
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6
- https://bugzilla.suse.com/show_bug.cgi?id=1171736#c3
- DSA-4699 vendor-advisory
- USN-4413-1 vendor-advisory
- USN-4411-1 vendor-advisory
- USN-4412-1 vendor-advisory