CVE-2022-27666

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.54%
Vendor Advisory debian.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2061633 issue tracking third party advisory patch
https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645 third party advisory patch
https://security.netapp.com/advisory/ntap-20220429-0001/ third party advisory
https://www.debian.org/security/2022/dsa-5127 third party advisory vendor advisory
https://www.debian.org/security/2022/dsa-5173 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-27666?
CVE-2022-27666 has been scored as a high severity vulnerability.
How to fix CVE-2022-27666?
To fix CVE-2022-27666, 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-2022-27666 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-27666 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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