CVE-2026-74370

Source
https://cve.org/CVERecord?id=CVE-2026-74370
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74370.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-74370
Downstream
Published
2026-08-15T05:58:50.933Z
Modified
2026-08-18T03:31:16.926925335Z
Summary
liveupdate: fix TOCTOU race in luo_session_retrieve()
Details

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

liveupdate: fix TOCTOU race in luosessionretrieve()

Extend the scope of the rwsemread lock in luosession_retrieve() to overlap with the acquisition of the session mutex. This prevents a concurrent thread from releasing and freeing the session between the lookup and the mutex lock.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74370.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
0153094d03df5a2e834a19c59b255649a258ae46
Fixed
d944170607b872a1f93713c555ad3f0efde3a9b8
Fixed
d3ae9e7fddb4036f50003d7fa1ef52801fdb961b

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74370.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.1.5

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74370.json"