Buffer overflow in Linux Kernel

CVE-2020-12654

An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-12654?
CVE-2020-12654 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2020-05-05.
How severe is CVE-2020-12654?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2020-12654 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.