CVE-2026-45847

NONECVSS 0.0

0.0

In the Linux kernel, the following vulnerability has been resolved:

net: remove WARN_ON_ONCE when accessing forward path array

Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARN_ON_ONCE if userspace manages to build a sufficiently long forward path.

Remove it.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 7.4%
KEV: Not listed

Published

May 27, 2026

Last Modified

May 27, 2026

References (7)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/008e7a7c293b30bc43e4368dac6ea3808b75a572
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/50422613185d505201167e8bdd2f2700790d5db6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/548244c2f542aa0ad49453e9306e715a3877bc44
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/959ea349c7e2d4edf07b6838ca7e59345fe61a08
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a78d055ba7c31103ad02f8eceb0c452e154d2660
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dcf9b3c90e5560339649d088836529883fb509f3

Vendor Advisories for CVE-2026-45847(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-3538-rrcv-8mrq
GitHub Security Advisoriesunknown
In the Linux kernel, the following vulnerability has been resolved: net: remove WARN_ON_ONCE...

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 14:20 UTCEG score recompute

Frequently asked(4)

What is CVE-2026-45847?

CVE-2026-45847 is a none vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARNONONCE if userspace manages to build a sufficiently long forward path. Remove it.

When was CVE-2026-45847 disclosed?

CVE-2026-45847 was first published in the National Vulnerability Database on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-45847 actively exploited?

CVE-2026-45847 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2026-45847?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45847, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-45847

📅 Published

🔄 Last Modified

🔗 References (7)

📣 Vendor Advisories for CVE-2026-45847(1)