| Name | CVE-2021-47570 | 
| Description | In the Linux kernel, the following vulnerability has been resolved:  staging: r8188eu: fix a memory leak in rtw_wx_read32()  Free "ptmp" before returning -EINVAL. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed | 
 | bullseye (security) | 5.10.244-1 | fixed | 
 | bookworm | 6.1.148-1 | fixed | 
 | bookworm (security) | 6.1.153-1 | fixed | 
 | trixie | 6.12.43-1 | fixed | 
 | trixie (security) | 6.12.48-1 | fixed | 
 | forky | 6.16.12-2 | fixed | 
 | sid | 6.17.7-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| linux | source | buster | (not affected) |  |  |  | 
| linux | source | bullseye | (not affected) |  |  |  | 
| linux | source | (unstable) | 5.15.15-1 |  |  |  | 
Notes
[bullseye] - linux <not-affected> (Vulnerable code not present)
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/be4ea8f383551b9dae11b8dfff1f38b3b5436e9a (5.16-rc3)