CVE-2022-3775
First published: Mon Oct 31 2022(Updated: )
Redhat: CVE-2022-3775 grub2 - Heap based out-of-bounds write when rendering certain Unicode sequences
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/grub2-unsigned | <2.06-2ubuntu15 | 2.06-2ubuntu15 |
| ubuntu/grub2 | <2.06-5 | 2.06-5 |
| ubuntu/grub2 | <2.06-2ubuntu14 | 2.06-2ubuntu14 |
| debian/grub2 | <=2.06-3~deb10u1 | 2.06-3~deb10u3 2.06-3~deb11u5 2.06-3~deb11u4 2.06-13 2.12~rc1-9 |
| redhat/grub | <2.06 | 2.06 |
| Microsoft Azure Linux 3.0 x64 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | ||
| Microsoft Azure Linux 3.0 ARM | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2016 | ||
| Gnu Grub2 | <=2.06 | |
| Red Hat Enterprise Linux | =8.0 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | ||
| Microsoft CBL-Mariner | ||
| Microsoft CBL-Mariner | ||
| Microsoft CBL-Mariner | ||
| Microsoft CBL-Mariner | ||
| Microsoft Windows Server 2022 23H2 |
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Reference Links
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3775
- https://lists.gnu.org/archive/html/grub-devel/2022-11/msg00059.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-3775
- https://launchpad.net/bugs/cve/CVE-2022-3775
- https://security-tracker.debian.org/tracker/CVE-2022-3775
- https://ubuntu.com/security/CVE-2022-3775
- https://access.redhat.com/security/cve/cve-2022-3775
- https://security.gentoo.org/glsa/202311-14
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2142998
- https://access.redhat.com/errata/RHSA-2022:8494
- https://access.redhat.com/errata/RHSA-2022:8800
- https://access.redhat.com/errata/RHSA-2022:8978
- https://access.redhat.com/errata/RHSA-2023:0049
- https://access.redhat.com/errata/RHSA-2023:0048
- https://access.redhat.com/errata/RHSA-2023:0047
- https://access.redhat.com/errata/RHSA-2023:0752
- https://bugzilla.redhat.com/show_bug.cgi?id=2138880
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-3775 (Advisory)
Frequently Asked Questions
What is CVE-2022-3775?
CVE-2022-3775 is a vulnerability in grub2's font code that allows an attacker to craft input leading to an out-of-bounds write into grub2's heap, leading to memory corruption.
What software is affected by CVE-2022-3775?
The affected software includes grub2-unsigned version 2.06-2ubuntu15, grub2 versions up to 2.06-5, and grub2 versions up to 2.06-2ubuntu14.
How can I fix CVE-2022-3775?
To fix CVE-2022-3775, update the affected software to grub2-unsigned version 2.06-2ubuntu15, grub2 version 2.06-5, or grub2 version 2.06-2ubuntu14.
Where can I find more information about CVE-2022-3775?
You can find more information about CVE-2022-3775 on the MITRE CVE website, the GNU GRUB mailing list, and the NIST National Vulnerability Database (NVD) website.
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