SB2021010521 - Buffer overflow in Linux kernel marvell mwifiex driver
Published: January 5, 2021
Security Bulletin ID
SB2021010521
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-36158)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: 8.4 [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]
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.
Remediation
Install update from vendor's website.
References
- 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