CVE-2023-3161
kernel: fbcon: shift-out-of-bounds in fbcon_set_font()
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing a font->width and font->height greater than 32 to the 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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-06-08 CVE Reserved
- 2023-06-12 CVE Published
- 2023-06-13 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-682: Incorrect Calculation
- CWE-1335: Incorrect Bitwise Shift of Integer
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2213485 | 2023-06-22 | |
| https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be | 2023-06-22 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-3161 | 2024-01-25 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | < 6.2 Search vendor "Linux" for product "Linux Kernel" and version " < 6.2" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.2 Search vendor "Linux" for product "Linux Kernel" and version "6.2" | rc1 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.2 Search vendor "Linux" for product "Linux Kernel" and version "6.2" | rc2 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.2 Search vendor "Linux" for product "Linux Kernel" and version "6.2" | rc3 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.2 Search vendor "Linux" for product "Linux Kernel" and version "6.2" | rc4 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.2 Search vendor "Linux" for product "Linux Kernel" and version "6.2" | rc5 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.2 Search vendor "Linux" for product "Linux Kernel" and version "6.2" | rc6 |
Affected
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| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 38 Search vendor "Fedoraproject" for product "Fedora" and version "38" | - |
Affected
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| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0" | - |
Affected
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