CVE-2021-20219

Summary

A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel. In this flaw a local attacker with a normal user privilege could delay the loop (due to a changing ldata->read_head, and a missing sanity check) and cause a threat to the system availability.

Affected Software

VendorProductVersion RangeStatus
n/akernelkernel 4.18affected

Weaknesses

  • CWE-697: CWE-697

ADP Enrichment

CVE Program Container

Additional References

References