CVE-2021-41073
Fixed in a distro release EPSS 2%
loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.
Products: linux_kernel, debian_linux, fedoraproject fedora, netapp cloud_backup, netapp solidfire_baseboard_management_controller, netapp h410c_firmware, netapp h300s_firmware, netapp h500s_firmware, netapp h700s_firmware, netapp h300e_firmware, netapp h500e_firmware, netapp h700e_firmware, netapp h410s_firmware
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Arch Linux | linux | 5.14.7.arch1-1 |
| Arch Linux | linux-hardened | 5.14.8.hardened1-1 |
| Arch Linux | linux-lts | 5.10.68-1 |
| Arch Linux | linux-zen | 5.14.7.zen1-1 |
| Debian 11 | linux | 5.10.46-5 |
| Debian 12 | linux | 5.14.6-2 |
| Debian 13 | linux | 5.14.6-2 |
| Debian 14 | linux | 5.14.6-2 |
| Ubuntu 16.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure | no fix |
| Ubuntu 18.04 LTS | linux-azure-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure-edge | no fix |
| Ubuntu 18.04 LTS | linux-gcp | no fix |
| Ubuntu 18.04 LTS | linux-gcp-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-gcp-edge | no fix |
| Ubuntu 18.04 LTS | linux-gke-4.15 | no fix |
| Ubuntu 18.04 LTS | linux-hwe | no fix |
| Ubuntu 18.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-oem | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.11 | 5.11.0-1019.20~20.04.1 |
| Ubuntu 20.04 LTS | linux-aws-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.11 | 5.11.0-1017.18~20.04.1 |
| Ubuntu 20.04 LTS | linux-gcp-5.11 | 5.11.0-1020.22~20.04.1 |
| Ubuntu 20.04 LTS | linux-gcp-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.11 | 5.11.0-37.41~20.04.2 |
| Ubuntu 20.04 LTS | linux-intel-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.10 | 5.10.0-1049.51 |
| Ubuntu 20.04 LTS | linux-oem-5.13 | 5.13.0-1014.18 |
| Ubuntu 20.04 LTS | linux-oem-5.6 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.11 | 5.11.0-1019.20~20.04.1 |
| Ubuntu 20.04 LTS | linux-oracle-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-raspi2 | no fix |
| Ubuntu 20.04 LTS | linux-riscv | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.11 | 5.11.0-1020.21~20.04.1 |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | no fix |