What’s Vulnerable › Vulnerabilities

CVE-2020-36158

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-05 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 33
• Linux kernel: from 3.0 before 4.4.250; from 4.5 before 4.9.250; from 4.10 before 4.14.214; from 4.15 before 4.19.166; from 4.20 before 5.4.88; from 5.5 before 5.10.6 — fixed in 4.14.214, 4.19.166, 4.4.250, 4.9.250, 5.10.6, 5.4.88
• NetApp Cloud Backup: all versions
• NetApp Solidfire Baseboard Management Controller Firmware: all versions

How to fix

Upgrade to a fixed version: Linux kernel 4.14.214, 4.19.166, 4.4.250, 4.9.250. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c455c5ab332773464d02ba17015acdca198f03d
• https://github.com/torvalds/linux/commit/5c455c5ab332773464d02ba17015acdca198f03d
• https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
• https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCHBIRS27VMOGMBHPWP2R7SZRFXT6O6U/
• https://lore.kernel.org/r/20201206084801.26479-1-ruc_zhangxiaohui%40163.com
• https://patchwork.kernel.org/project/linux-wireless/patch/20201206084801.26479-1-ruc_zhangxiaohui%40163.com/
• https://security.netapp.com/advisory/ntap-20210212-0002/
• https://www.debian.org/security/2021/dsa-4843
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c455c5ab332773464d02ba17015acdca198f03d
• https://github.com/torvalds/linux/commit/5c455c5ab332773464d02ba17015acdca198f03d
• https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html

Get alerted when CVE-2020-36158 or the next vulnerability affects your stack