CVE-2021-29649

medium
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
5.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

arch Arch Fixed 1 release
VersionStatusFixed in
Fixed 5.10.27-1
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 5.10.28-1
sid Fixed 5.10.28-1
forky Fixed 5.10.28-1
bullseye Fixed 5.10.28-1
bookworm Fixed 5.10.28-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.