| Name | CVE-2021-29649 |
| Description | An issue was discovered in the Linux kernel before 5.11.11. The user mode driver (UMD) has a copy_process() memory leak, related to a lack of cleanup steps in kernel/usermode_driver.c and kernel/bpf/preload/bpf_preload_kern.c, aka CID-f60a85cad677. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | stretch | 4.9.228-1 | fixed |
| stretch (security) | 4.9.272-2 | fixed | |
| buster | 4.19.194-1 | fixed | |
| buster (security) | 4.19.194-3 | fixed | |
| bullseye | 5.10.46-2 | fixed | |
| sid | 5.10.46-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | stretch | (not affected) | |||
| linux | source | buster | (not affected) | |||
| linux | source | (unstable) | 5.10.28-1 |
[buster] - linux <not-affected> (Vulnerable code introduced later)
[stretch] - linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/f60a85cad677c4f9bb4cadd764f1d106c38c7cf8