PT-2024-11462
CVE-2021-47468
·
Published
2021-10-09
·
Updated
2024-09-17
Description by
CVSS 3.1
5.5
MediumMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The Linux kernel has a vulnerability where the driver can call the
card->isac.release() function from an atomic context. This issue is fixed by calling the function after releasing the lock. The vulnerability is related to a sleeping function being called from an invalid context.Technical details about exploitation include:
- The
card->isac.release()function is called from an atomic context. - The
nj release()function is involved in the call trace. - The issue is related to the
mISDN freedchannel()andisac release()functions.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
Found an issue in the description? Have something to add? Feel free to write us 👾