Description
i915_gem_userptr_get_pages in drivers/gpu/drm/i915/i915_gem_userptr.c in the Linux kernel 4.15.0 on Ubuntu 18.04.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact via crafted ioctl calls to /dev/dri/card0.
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 | 4.18.6-1 | — |
| Debian 13 | linux | 4.18.6-1 | — |
| Debian 12 | linux | 4.18.6-1 | — |
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-raspi2 +1 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-58.64 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1047.49 | — |
| Ubuntu 18.04 LTS | linux-gcp +9 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1040.42 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1042.42 | — |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1050.57 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1021.23 | — |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1043.46 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1060.66 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-138.164 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1070.80 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1047.49~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1055.60 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1040.42~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-58.64~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1036.42 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1021.23~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1099.107 | — |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1103.108 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1032.35 | — |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-138.164~14.04.1 | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2018.18 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2006.7 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1059.64~14.04.1 | — |