Buffer overflow in Linux kernel - CVE-2020-36158
Published: January 5, 2021 / Updated: July 28, 2023
Vulnerability identifier: #VU92419
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-36158
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local privileged user to execute arbitrary code.
The vulnerability exists due to buffer overflow error within the mwifiex_cmd_802_11_ad_hoc_start() function in drivers/net/wireless/marvell/mwifiex/join.c. A local privileged user can execute arbitrary code.
How to mitigate CVE-2020-36158
Install update from vendor's repository.
Sources
- https://patchwork.kernel.org/project/linux-wireless/patch/20201206084801.26479-1-ruc_zhangxiaohui@163.com/
- https://github.com/torvalds/linux/commit/5c455c5ab332773464d02ba17015acdca198f03d
- https://lore.kernel.org/r/20201206084801.26479-1-ruc_zhangxiaohui@163.com
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c455c5ab332773464d02ba17015acdca198f03d
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HCHBIRS27VMOGMBHPWP2R7SZRFXT6O6U/
- https://www.debian.org/security/2021/dsa-4843
- https://security.netapp.com/advisory/ntap-20210212-0002/
- https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html