Buffer overflow in Linux Kernel
CVE-2021-28660
rtw_wx_set_scan in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. NOTE: from the perspective of kernel.org releases, CVE IDs are not normally used for drivers/staging/* (unfinished work); however, system integrators may have situations in which a drivers/staging issue is relevant to their own customer base.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (70.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2021/03/msg00035.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210507-0008/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/06/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/11/18/1 (mailing-list, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/11/21/2 (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28660?
- CVE-2021-28660 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-03-17.
- How severe is CVE-2021-28660?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-28660 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.