CVE-2021-30845 — MEDIUM (5.5)

Q: What is CVE-2021-30845?

CVE-2021-30845 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.

Q: How severe is CVE-2021-30845?

CVE-2021-30845 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-30845?

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

Vulnerability Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	>= 11.0, < 11.6

Related Weaknesses (CWE)

CWE-125

References

https://support.apple.com/en-us/HT212804Vendor Advisory
https://support.apple.com/en-us/HT212804Vendor Advisory

FAQ

What is CVE-2021-30845?

CVE-2021-30845 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.

How severe is CVE-2021-30845?

CVE-2021-30845 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-2021-30845?

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