CVE-2026-93820 json
PCI: rockchip: Protect root bus removal with rescan lock
published last mo. modified last mo. also EUVD-2026-86208
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
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]
Patch / fix
- Linux Linux 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
- linux Debian 12 6.1.190-1
- linux Debian 13 6.12.111-1
- linux Debian 14 7.2.6-1
- linux-6.12 Debian 12 6.12.111-1~deb12u1
debian advisories DEBIAN-CVE-2026-93820
- linux Ubuntu 22.04 LTS 5.15.0-202.212
- linux Ubuntu 24.04 LTS 6.8.0-149.149
- linux Ubuntu 26.04 LTS 7.0.0-42.42
- linux-aws Ubuntu 22.04 LTS 5.15.0-1119.126
- linux-aws Ubuntu 24.04 LTS 6.8.0-1069.74
- linux-aws Ubuntu 26.04 LTS 7.0.0-1016.17
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1120.130
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1073.81
ubuntu advisories UBUNTU-CVE-2026-93820
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-rt Real Time Module 15 SP7 6.4.0-150700.7.81.1
- kernel-syms-rt Real Time Module 15 SP7 6.4.0-150700.7.81.1
- kernel-source-rt Real Time Module 15 SP7 6.4.0-150700.7.81.1
- kernel-64kb SLE Module for Basesystem 15 SP7 6.4.0-150700.53.87.3
- kernel-syms SLE Module for Development Tools 15 SP7 6.4.0-150700.53.87.1
- kernel-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.53.87.3
- kernel-source SLE Module for Development Tools 15 SP7, SLE Module for Basesystem 15 SP7 6.4.0-150700.53.87.3
- kernel-default SLE Workstation Extension 15 SP7, SLE Module for Legacy 15 SP7, SLE Module for Basesystem 15 SP7 +2 more 6.4.0-150700.53.87.3
suse advisories SUSE-SU-2026:4940-1SUSE-SU-2026:4935-1SUSE-SU-2026:24473-1SUSE-SU-2026:24553-1SUSE-SU-2026:4892-1SUSE-SU-2026:24371-1
- kernel Azure Linux 3.0 6.6.158.1-1
azure linux advisories AZL-103884
Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT
- git.kernel.org/stable/c/025308e7c9cd10112b73558c9f63f8f7285fa726 commit
- git.kernel.org/stable/c/ac47d42901859edb504a2890a3a5709c86dbc0c3 commit
- git.kernel.org/stable/c/eaeb9bed3641741aceb0add84a97023bed61e748 commit
- git.kernel.org/stable/c/5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652 commit
- git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744 commit
- git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2 commit
- git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167 commit
Is CVE-2026-93820 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-93820 updated cvss 5.5
kernel: PCI: rockchip: Protect root bus removal with rescan lock
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernel Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9not affected: vulnerable code not present
+1 more productsfewer
Red Hat OpenShift Container Platform 5 openshift/ose-rhel-coreos-9
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-11).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/025308e7c9cd10112b73558c9f63f8f7285fa726
- git.kernel.org /stable/c/ac47d42901859edb504a2890a3a5709c86dbc0c3
- git.kernel.org /stable/c/eaeb9bed3641741aceb0add84a97023bed61e748
- git.kernel.org /stable/c/5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652
- git.kernel.org /stable/c/ebca7e5947720e9d4bd918af3e17720270c50744
- git.kernel.org /stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2
- git.kernel.org /stable/c/0bd9611587bb494c33566d825fe34b2705e4b167
Sources
- CVE List CVE-2026-93820
- NVD CVE-2026-93820
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.