CVE-2026-93821

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Source
https://cve.org/CVERecord?id=CVE-2026-93821
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93821.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-93821
Downstream
Published
2026-09-24T16:02:59Z
Modified
2026-10-05T02:30:37Z
Summary
PCI: altera: Protect root bus removal with rescan lock
Details

In the Linux kernel, the following vulnerability has been resolved:

PCI: altera: 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]

Database specific 
{
    "cna_assigner":  "Linux",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93821.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22
Fixed
cf9d84d1b6a7c3f3780c043df220a7e9e38137eb
Fixed
fc462f1bdeaea9789928cbfdf5e069ee559c7642
Fixed
442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3
Fixed
4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7
Fixed
c0cd65906e5f7e293ef2568c9524cc0a918333c3
Fixed
7cbb8f2750d91e64caff89e164ac8280bb80bedc
Fixed
a8759c8ac48c0419f5899e95a6ffc611b07c965b

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93821.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.3.0
Fixed
5.10.271
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.222
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.189
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.158
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.111
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.53

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93821.json"