VIR Vulnerability Intelligence Relay

CVE-2021-0920

high KEV
Published 2022-05-23 · Modified 2022-05-23
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.5

Description

Android kernel contains a race condition, which allows for a use-after-free vulnerability. Exploitation can allow for privilege escalation.

CISA KEV

Vendor
Android
Product
Kernel
Due date
2022-06-13

Predictions

Exploit likelihood
99%
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.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

OS impact
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 5.14.6-1
sid Fixed 5.14.6-1
forky Fixed 5.14.6-1
bullseye Fixed 5.10.70-1
bookworm Fixed 5.14.6-1
redhat Red Hat Fixed 1 release
VersionStatusFixed in
8 Fixed —
rockylinux Rocky Linux Fixed 1 release
VersionStatusFixed in
8 Fixed —

References

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

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