CVE-2026-46104 | selinux: use sk blob accessor in socket permission helpers

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. sock_has_perm() and nlmsg_sock_has_extended_perms() 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 selinux_sock() instead of accessing sk->sk_security directly.

Published: 2026-05-28 Last update: 2026-05-28 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2026-46104 is rated Low Risk (4.3/100): low exploitation likelihood (EPSS 0.02%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-46104

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-28 0.02%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-46104

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2026-46104

GitHub Security Advisory for CVE-2026-46104

GHSA-h7hm-vjhc-hcgc · Severity: unknown — In the Linux kernel, the following vulnerability has been resolved: selinux: use sk blob...

OS Trackers for CVE-2026-46104

vendor priority summary link
debian unimportant CVE-2026-46104 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2026-46104
redhat medium https://access.redhat.com/security/cve/CVE-2026-46104
suse medium CVE-2026-46104 severity moderate: SUSE including 7 source package names (kernel-default, kernel-default-base, …), 21 product×package rows across 6 product lines (SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE, SUSE Linux Enterprise Server 16.0, … (6 product lines)): Known Not Affected 21. https://www.suse.com/security/cve/CVE-2026-46104/

Affected software / configurations for CVE-2026-46104

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-46104

cvelogic Threat Intelligence