Buffer overflow in Linux Linux_kernel

CVE-2020-36158

mwifiex_cmd_802_11_ad_hoc_start in drivers/net/wireless/marvell/mwifiex/join.c in the Linux kernel through 5.10.4 might allow remote attackers to execute arbitrary code via a long SSID value, aka CID-5c455c5ab332.

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/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-2020-36158?
CVE-2020-36158 is a high-severity vulnerability in Linux Linux_kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-01-05.
How severe is CVE-2020-36158?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-36158 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.