What is CVE-2021-36148?

CVE-2021-36148 is a high-severity vulnerability in Linux Acrn, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-07-02.

How severe is CVE-2021-36148?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Linux Acrn

CVE-2021-36148

An issue was discovered in ACRN before 2.5. dmar_free_irte in hypervisor/arch/x86/vtd.c allows an irte_alloc_bitmap buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Linux Acrn
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-36148?: CVE-2021-36148 is a high-severity vulnerability in Linux Acrn, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-07-02.
How severe is CVE-2021-36148?: High severity. CVSS v3 base score is 7.8 out of 10.