In the Linux kernel, the following vulnerability has been resolved:
ndisc: use RCU protection in ndisc_alloc_skb()
ndisc_alloc_skb() can be called without RTNL or RCU being held.
Add RCU protection to avoid possible UAF.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-02-27. NVD baseline CVSS 7.8; sources differ by 0.0.
In the Linux kernel, the following vulnerability has been resolved:
ndisc: use RCU protection in ndisc_alloc_skb()
ndisc_alloc_skb() can be called without RTNL or RCU being held.
Add RCU protection to avoid possible UAF.
February 27, 2025
May 12, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
RHSA-2025:10211 — Moderate
RHSA-2025:8333 — Moderate
RHSA-2025:9079 — Moderate
RHSA-2025:9490 — Moderate
RHSA-2025:9491 — Moderate
RHSA-2025:9492 — Moderate
RHSA-2025:9493 — Moderate
RHSA-2025:9494 — Moderate
RHSA-2025:9497 — Moderate
RHSA-2025:9498 — Moderate
RHSA-2025:9580 — Moderate
RHSA-2025:9581 — Moderate
RHSA-2025:9584 — Moderate
Linux kernel vulnerabilities
Linux kernel (FIPS) vulnerabilities
Linux kernel vulnerabilities
Linux kernel (Real-time) vulnerabilities
Linux kernel (Azure FIPS) vulnerabilities
Linux kernel (AWS FIPS) vulnerabilities
Linux kernel vulnerabilities
Linux kernel (AWS) vulnerabilities
Linux kernel (GCP) vulnerabilities
Linux kernel (GCP FIPS) vulnerabilities
Linux kernel (GKE) vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2025-21764
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msrc · redhat
CWE-416