CVE-2021-47330
MEDIUMLinux Kernel < 4.4.276 - Use-After-Free in Serial 8250 Driver Error Handling
Title source: llmDescription
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.
References (9)
Core 9
Core References
Scores
CVSS v3
5.5
EPSS
0.0024
EPSS Percentile
15.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-401
Status
published
Products (21)
Linux/Linux
< 2.6.17
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - 331f5923fce4f45b8170ccf06c529e8eb28f37bc
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - 34f4590f5ec9859ea9136249f528173d150bd584
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - 7a80f71601af015856a0aeb1e3c294037ac3dd32
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - b2ef1f5de40342de44fc5355321595f91774dab5
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - b5a2799cd62ed30c81b22c23028d9ee374e2138c
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - c39cf4df19acf0133fa284a8cd83fad42cd13cc2
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - ee16bed959862a6de2913f71a04cb563d7237b67
Linux/Linux
15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 - fad92b11047a748c996ebd6cfb164a63814eeb2e
... and 11 more
Published
May 21, 2024
Tracked Since
Feb 18, 2026