Vulnerability in Linux
CVE-2021-47016
In the Linux kernel, the following vulnerability has been resolved: m68k: mvme147,mvme16x: Don't wipe PCC timer config bits Don't clear the timer 1 configuration bits when clearing the interrupt flag and counter overflow. As Michael reported, "This results in no timer interrupts being delivered after the first. Initialization then hangs in calibrate_delay as the jiffies counter is not updated." On mvme16x, enable the timer after requesting the irq, consistent with mvme147.
EPSS: 0.002 (12.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 7529b90d051e4629884771ba2b1d3a87d2c6a9d7, 5.2, 0
- Linux Linux_kernel
References
Frequently asked questions
- What is CVE-2021-47016?
- CVE-2021-47016 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-02-29.
- How severe is CVE-2021-47016?
- Medium severity. CVSS v3 base score is 5.5 out of 10.