CVE-2022-36123

Public Exploit

Description

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges.

7.8

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.02%

Third-Party Advisory kernel.org Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory netapp.com Third-Party Advisory sick.codes

Affected: n/a n/a

References

Link	Tags
https://sick.codes/sick-2022-128	patch third party advisory exploit
https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md	patch third party advisory exploit
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13	third party advisory release notes
https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884	third party advisory patch
https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0	third party advisory patch
https://security.netapp.com/advisory/ntap-20220901-0003/	third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-36123?: CVE-2022-36123 has been scored as a high severity vulnerability.
How to fix CVE-2022-36123?: To fix CVE-2022-36123, 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-2022-36123 being actively exploited in the wild?: It is possible that CVE-2022-36123 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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