CVE-2022-4127 — MEDIUM (5.5)

Vulnerability Description

A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	5.19

Related Weaknesses (CWE)

CWE-476

References

https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975PatchThird Party Advisory
https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/PatchVendor Advisory
https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975PatchThird Party Advisory
https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/PatchVendor Advisory

FAQ

What is CVE-2022-4127?

CVE-2022-4127 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.

How severe is CVE-2022-4127?

CVE-2022-4127 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-4127?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.