Linux · Security advisory · January 9, 2023
RHSA-2023:0049: Security update for 18 packages
RHSA-2023:0049, released January 9, 2023, fixes 2 CVEs across 18 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 | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-aa64 | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-aa64-cdboot | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-aa64-modules | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-ia32 | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-ia32-cdboot | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-ia32-modules | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-x64 | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-x64-cdboot | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-efi-x64-modules | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-pc | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-pc-modules | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-ppc64le | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-ppc64le-modules | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-tools | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-tools-efi | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-tools-extra | RHEL 8 | 1:2.02-142.el8_7.1 |
| grub2-tools-minimal | RHEL 8 | 1:2.02-142.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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