CVE-2022-3977

Description

A use-after-free flaw was found in the Linux kernel MCTP (Management Component Transport Protocol) functionality. This issue occurs when a user simultaneously calls DROPTAG ioctl and socket close happens, which could allow a local user to crash the system or potentially escalate their privileges on the system.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory kernel.org
Affected: n/a Kernel
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3a732b46736cd8a29092e4b0b1a9ba83e672bf89 patch vendor advisory mailing list
https://security.netapp.com/advisory/ntap-20230223-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-3977?
CVE-2022-3977 has been scored as a high severity vulnerability.
How to fix CVE-2022-3977?
To fix CVE-2022-3977, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-3977 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-3977 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-3977?
CVE-2022-3977 affects n/a Kernel.
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