WordPress security changelog
MEDIUM CVE-2021-43395 Modified

WordPress component: A security weakness

WordPress component is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.5 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 5.5 CVSS 3.1 · nvd@nist.gov
Component
WordPress component
Plugin slug
Not applicable
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Dec 26, 2022
Weakness
CWE-667 — Improper Locking
What to do

Update, patch or deactivate.

Update WordPress component to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

An issue was discovered in illumos before f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04, and SmartOS 20210923. A local unprivileged user can cause a deadlock and kernel panic via crafted rename and rmdir calls on tmpfs filesystems. Oracle Solaris 10 and 11 is also affected.

CVE / CNA vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Primary and upstream sources