Description
The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.
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 | 5.8.10-1 | — |
| Debian 13 | linux | 5.8.10-1 | — |
| Debian 12 | linux | 5.8.10-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-56.62 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1030.31 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1032.33 | — |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1030.32 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1028.29 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1023.26 | — |
| Ubuntu 20.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-126.129 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1088.93 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1030.31~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1100.111 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1032.33~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1007.11 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1088.101 | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 +2 | 5.4.0-1030.32~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1005.6 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-56.62~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1079.81 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1059.65 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1023.26~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1074.79 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1091.100 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-197.229 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1118.132 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1088.93~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1100.111~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1088.101~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-126.129~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1084.93 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1059.65~16.04.1 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2031.32 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2013.15 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1046.53 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1051.57 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1082.86 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1100.111~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-197.229~14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.49.1 | SUSE-SU-2022:0370-1 |
| SLES 15 SP3 | kernel-azure +1 | 5.3.18-150300.38.40.4 | SUSE-SU-2022:0363-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.49.1.150300.18.31.1 | SUSE-SU-2022:0370-1 |
| SLES 15 SP3 | kernel-syms-azure | 5.3.18-150300.38.40.1 | SUSE-SU-2022:0363-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.88.1 | SUSE-SU-2022:0372-1 |
| SLES 12 SP5 | kernel-docs | 4.12.14-122.110.2 | SUSE-SU-2022:0364-1 |
| SLES 12 SP5 | kernel-syms +3 | 4.12.14-122.110.1 | SUSE-SU-2022:0364-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.88.1 | SUSE-SU-2022:0372-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.110.1 | SUSE-SU-2022:0364-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.78.1 | SUSE-SU-2022:0555-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.49.1 | SUSE-SU-2022:0370-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.49.1.150300.18.31.1 | SUSE-SU-2022:0370-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.76.1 | SUSE-SU-2022:0543-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.49.1 | SUSE-SU-2022:0370-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_14 | 1-150300.7.3.1 | SUSE-SU-2022:0370-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.110.1 | SUSE-SU-2022:0364-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_28 | 1-8.3.2 | SUSE-SU-2022:0364-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.76.1 | SUSE-SU-2022:0543-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | dtb-aarch64 +11 | 5.3.18-150300.59.49.1 | openSUSE-SU-2022:0370-1 |
| openSUSE Leap 15.3 | kernel-azure +1 | 5.3.18-150300.38.40.4 | openSUSE-SU-2022:0363-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.49.1.150300.18.31.1 | openSUSE-SU-2022:0370-1 |
| openSUSE Leap 15.3 | kernel-syms-azure | 5.3.18-150300.38.40.1 | openSUSE-SU-2022:0363-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.54.6.el7uek | ELSA-2021-9442 |
Advisories 9
- SUSE-SU-2022:0364-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0543-1 Security update for the Linux RT Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0363-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0555-1 Security update for the Linux RT Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0363-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0370-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0370-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0372-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2021-9442 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 8, 2021
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10
- https://seclists.org/oss-sec/2020/q3/176
- https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45
- https://security.netapp.com/advisory/ntap-20210805-0001/