CVE-2021-20219 (GCVE-0-2021-20219)

Vulnerability from cvelistv5 – Published: 2021-03-23 16:34 – Updated: 2024-08-03 17:30
VLAI?
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.
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 4.18
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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