Vulnerability · Published Mar 17, 2021 · Assigned by mitre
CVE-2021-28660
High 8.8
In plain English
A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.10.24-1 | DEBIAN-CVE-2021-28660 |
| Debian:13 | linux | 5.10.24-1 | DEBIAN-CVE-2021-28660 |
| Debian:14 | linux | 5.10.24-1 | DEBIAN-CVE-2021-28660 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2021-28660 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2021-28660 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2021-28660 |
Affected products (as reported)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=74b6b20df8cfe90ada777d621b54c32e69e27cd7
- FEDORA-2021-bb755ed5e3 vendor-advisory
- [debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update mailing-list
- https://security.netapp.com/advisory/ntap-20210507-0008/
- [debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update mailing-list
- [oss-security] 20221118 Linux kernel: staging: rtl8712: A Use-after-Free/Double-Free bug in read_bbreg_hdl in drivers/staging/rtl8712/rtl8712_cmd.c mailing-list
- [oss-security] 20221121 Re: Linux kernel: staging: rtl8712: A Use-after-Free/Double-Free bug in read_bbreg_hdl in drivers/staging/rtl8712/rtl8712_cmd.c mailing-list