CVE-2023-3161
First published: Thu Jun 08 2023(Updated: )
A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service. Upstream fix: <a href="https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be">https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.2 | 6.2 |
| IBM Security Verify Governance, Identity Manager software component | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager virtual appliance component | <=ISVG 10.0.2 | |
| Linux Kernel | <6.2 | |
| Linux Kernel | =6.2-rc1 | |
| Linux Kernel | =6.2-rc2 | |
| Linux Kernel | =6.2-rc3 | |
| Linux Kernel | =6.2-rc4 | |
| Linux Kernel | =6.2-rc5 | |
| Linux Kernel | =6.2-rc6 | |
| Fedoraproject Fedora | =38 | |
| Red Hat Enterprise Linux | =8.0 | |
| Red Hat Enterprise Linux | =9.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2213485
- https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be
- https://launchpad.net/bugs/cve/CVE-2023-3161
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2213490
- https://access.redhat.com/errata/RHSA-2023:5603
- https://access.redhat.com/errata/RHSA-2023:5604
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- https://access.redhat.com/errata/RHSA-2024:0412
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3161
- https://nvd.nist.gov/vuln/detail/CVE-2023-3161
- https://security-tracker.debian.org/tracker/CVE-2023-3161
- https://ubuntu.com/security/CVE-2023-3161
- https://git.kernel.org/linus/2b09d5d364986f724f17001ccfe4126b9b43a0be
- https://www.ibm.com/support/pages/node/7172423 (Advisory)
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