Linux · Security advisory · June 7, 2022
ELSA-2022-9471: Security update for 16 packages
ELSA-2022-9471, released June 7, 2022, fixes 7 CVEs across 16 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
7
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0127
70th percentile
Priority of the 7 CVEs
Patch now 0
Urgent 0
High 7
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| grub2-common | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-aa64 | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-aa64-cdboot | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-aa64-modules | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-ia32 | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-ia32-cdboot | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-ia32-modules | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-x64 | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-x64-cdboot | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-efi-x64-modules | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-pc | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-pc-modules | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-tools | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-tools-efi | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-tools-extra | ol 8 | 1:2.02-123.0.3.el8 |
| grub2-tools-minimal | ol 8 | 1:2.02-123.0.3.el8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2022-28733 | grub-efi-amd64: Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in gru... | 8.1 | 0.0127 | None reported | |
| High | CVE-2022-28734 | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 8.1 | 0.0112 | None reported | |
| High | CVE-2021-3696 | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 8.1 | 0.0048 | None reported | |
| High | CVE-2021-3695 | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 8.1 | 0.0048 | None reported | |
| High | CVE-2021-3697 | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 8.1 | 0.0047 | None reported | |
| High | CVE-2022-28735 | grub-efi-arm64: The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems | 8.1 | 0.0031 | None reported | |
| High | CVE-2022-28736 | grub-efi-arm64: There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up... | 8.1 | 0.0029 | None reported |
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