CVE-2021-47330

low-risk

Published 2024-05-21

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.

Do I need to act?

0.01% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Linux Kernel

Affected Vendors

Linux

References (18)

Patch https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc

Patch https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584

Patch https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32

Patch https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5

Patch https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c

Patch https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2

Patch https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461

Patch https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67

Patch https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e