CVE-2020-15437
MEDIUM
4.4
CVSS Score
Published: November 23, 2020 at 08:10 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.4%
Description
The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 5.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCExploitPatchVendor Advisory
Source: [email protected]
https://lkml.org/lkml/2020/7/21/80CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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