Linux · Security advisory · January 25, 2023
ELSA-2023-0049: Security update for 16 packages
ELSA-2023-0049, released January 25, 2023, fixes 2 CVEs across 16 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
2
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0104
64th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 1
High 1
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| grub2-common | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-aa64 | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-aa64-cdboot | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-aa64-modules | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-ia32 | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-ia32-cdboot | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-ia32-modules | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-x64 | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-x64-cdboot | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-efi-x64-modules | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-pc | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-pc-modules | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-tools | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-tools-efi | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-tools-extra | ol 8 | 1:2.02-142.0.3.el8_7.1 |
| grub2-tools-minimal | ol 8 | 1:2.02-142.0.3.el8_7.1 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2022-3775 | Redhat: CVE-2022-3775 grub2 - Heap based out-of-bounds write when rendering certain Unicode sequences | 8.2 | 0.0104 | Exploitation Less Likely | |
| High | CVE-2022-2601 | Redhat: CVE-2022-2601 grub2 - Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass | 8.6 | 0.0052 | Exploitation Less Likely |
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