CVE-2026-93820: PCI: rockchip: Protect root bus removal with rescan lock

Received
AliasesUBUNTU-CVE-2026-93820DEBIAN-CVE-2026-93820
Published 24-09-2026Last modified 03-10-2026

Vulnerability summary

CVE-2026-93820 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.7% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5
SUSE-SU-2026:24371-1SUSE-SU-2026:24379-1SUSE-SU-2026:4892-1SUSE-SU-2026:4935-1SUSE-SU-2026:4940-1

Timeline

  1. 24-09-2026
    PublishedVulnerability first disclosed.
  2. 03-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: rockchip: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu169 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.111-1 | < 7.2.6-1
  • linux-6.12< 6.12.111-1~deb12u1
Linux1 product
  • linux≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 025308e7c9cd10112b73558c9f63f8f7285fa726 | ≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < ac47d42901859edb504a2890a3a5709c86dbc0c3 | ≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < eaeb9bed3641741aceb0add84a97023bed61e748 | ≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652 | ≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < ebca7e5947720e9d4bd918af3e17720270c50744 | ≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 9b19201f57d87c4d0777621275dbc59bff41b7f2 | ≥ 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 0bd9611587bb494c33566d825fe34b2705e4b167 | 4.12

3 vendors · 172 products

References

10 links