CVE-2020-27820
high
CVSS v3
โ
CVSS v4 NEW
โ
VIR risk
8.0
Description
A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if "unbind" the driver).
Predictions
Exploit likelihood
20%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 5.15.5-1 |
| sid | Fixed | 5.15.5-1 |
| forky | Fixed | 5.15.5-1 |
| bullseye | Fixed | 5.10.84-1 |
| bookworm | Fixed | 5.15.5-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | โ |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | โ |
References
- https://www.suse.com/security/cve/CVE-2020-27820.html
- https://errata.rockylinux.org/RLSA-2022:1988
- https://errata.rockylinux.org/RLSA-2022:1975
- https://security-tracker.debian.org/tracker/CVE-2020-27820
- https://errata.almalinux.org/8/ALSA-2022-1988.html
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.