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Status published
Medium
CVE-2021-47330
tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c
- https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc
- https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584
- https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461
- https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67
- https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32
- https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2
- https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5
- https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9, 2.6.17, 0, 4.4.276, 4.9.276, 4.14.240, 4.19.198, 5.4.134, 5.10.52, 5.12.19, 5.13.4, 5.14
Timeline
Official Publish:
May 21st, 2024
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.