CVE-2026-46104
- Source
- https://cve.org/CVERecord?id=CVE-2026-46104
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46104.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2026-46104
- Downstream
- Related
- Published
- 2026-05-28T09:35:07.397Z
- Modified
- 2026-07-11T03:55:31.843292677Z
- Summary
- selinux: use sk blob accessor in socket permission helpers
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
selinux: use sk blob accessor in socket permission helpers
SELinux socket state lives in the composite LSM socket blob.
sockhasperm() and nlmsgsockhasextendedperms() currently dereference sk->sk_security directly, which assumes the SELinux socket blob is at offset zero.
In stacked configurations that assumption does not hold. If another LSM allocates socket blob storage before SELinux, these helpers may read the wrong blob and feed invalid SID and class values into AVC checks.
Use selinuxsock() instead of accessing sk->sksecurity directly.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46104.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/032e70aff025d7c519af9ab791cd084380619263
- https://git.kernel.org/stable/c/7eca71f57f194c1638ebb7f4097d6be8fd04c101
- https://git.kernel.org/stable/c/d350fef4bc2467fe1bce15f7a20fe60e01ce41ad
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46104.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-46104
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git