CVE-2021-47330

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < b5a2799cd62ed30c81b22c23028d9ee374e2138caffected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < 331f5923fce4f45b8170ccf06c529e8eb28f37bcaffected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < 34f4590f5ec9859ea9136249f528173d150bd584affected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461affected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < ee16bed959862a6de2913f71a04cb563d7237b67affected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < 7a80f71601af015856a0aeb1e3c294037ac3dd32affected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < c39cf4df19acf0133fa284a8cd83fad42cd13cc2affected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < b2ef1f5de40342de44fc5355321595f91774dab5affected
LinuxLinux15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 < fad92b11047a748c996ebd6cfb164a63814eeb2eaffected
LinuxLinux2.6.17affected
LinuxLinux0 < 2.6.17unaffected
LinuxLinux4.4.276 <= 4.4.*unaffected
LinuxLinux4.9.276 <= 4.9.*unaffected
LinuxLinux4.14.240 <= 4.14.*unaffected
LinuxLinux4.19.198 <= 4.19.*unaffected
LinuxLinux5.4.134 <= 5.4.*unaffected
LinuxLinux5.10.52 <= 5.10.*unaffected
LinuxLinux5.12.19 <= 5.12.*unaffected
LinuxLinux5.13.4 <= 5.13.*unaffected
LinuxLinux5.14 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References