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September 29, 2021
Severity
Medium
Analysis Summary
CVE-2021-20317
Linux Kernel is vulnerable to a denial of service, caused by a flaw in the timerqueue_add function in lib/timerqueue.c. By sending a specially crafted request using a corrupted timer tree, a local authenticated attacker could exploit this vulnerability to slow down the server, and results a denial of service condition.
Impact
- Denial of Service
Affected Vendors
- Linux
Affected Products
- Linux Kernel 5.3
Remediation
Refer to Linux Kernel Advisory for patch, upgrade or suggested workaround information.