Search/CVE-2021-47330
● CVE — Medium

CVE-2021-47330

VendorlinuxProductlinux kernelDiscoveredMay 21, 2024UpdatedDec 24, 2024

In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: serial_cs: Fix a memory leak in error handling path In the probe function, if the final 'serial_config()' fails, 'info' is leaking. Add a resource handling path to free this memory.

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CVSS v3.1
5.5 MEDIUM
EPSS
0.24%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
2
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
May 21, 2024
Disclosure — published as a CVE record. · last revised by NVD Dec 24, 2024
Nov 6, 2025
ubuntu.com reports: USN-7863-1: Linux kernel vulnerabilities
Nov 10, 2025
ubuntu.com reports: USN-7865-1: Linux kernel (FIPS) vulnerabilities