VulnSocial

CVE-2025-21760General(linux / linux_kernel)

LOWCVSS 8.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Patch / fix
Other references
Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • linux_kernel

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
linux
Products
linux_kernel

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-18: 103-18
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
Full discourse1 post
  • ET Labs@ET_Labs
    General

    19 new OPEN, 30 new PRO (19 + 11) BMC FootPrints (CVE-2025-71257, CVE-2025-71258, CVE-2025-71259, CVE-2025-21760), LandUpdate808, Lumma Stealer, Proxy Service Domains, SolarWinds (CVE-2025-40554), UNK_VaporVibes, XWorm, ZPHP https://community.emergingthreats.net/t/ruleset-update-summary-2026-03-18-v11151/3236

    Post summary

    The text is a brief alert listing several new CVEs linked to various threat actors and includes a link to a ruleset update thread, but provides no PoC, exploit details, or patch information.

    03032416
    5.7K followersView on X
CPE platform detail3 entries

3 of 3 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel6.14--
OSlinuxlinux_kernel6.14--

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