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DEBIAN-CVE-2025-21760

DEBIAN-CVE-2025-21760 PUBLISHED CVSS 7.800000190734863 HIGH

In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndisc_send_skb() ndisc_send_skb() can be called without RTNL or RCU held. Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu() and avoid a potential UAF.

Risk Scores

CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:11linux-6.1*, 6.1.128-1, *
Debian:12linux6.1.90-1~bpo11+1, 6.1.94-1, 6.1.94-1~bpo11+1
Debian:14linux0, 0
Debian:11linux5.10.92-1, 5.10.92-2, 5.10.106-1
Debian:13linux0, 0

Timeline

  • Feb 27, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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