CVE-2026-45847 (GCVE-0-2026-45847)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:15 – Updated: 2026-05-27 12:15
VLAI
Title
net: remove WARN_ON_ONCE when accessing forward path array
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < 548244c2f542aa0ad49453e9306e715a3877bc44 (git)
Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < dcf9b3c90e5560339649d088836529883fb509f3 (git)
Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < 9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6 (git)
Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < 959ea349c7e2d4edf07b6838ca7e59345fe61a08 (git)
Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < 50422613185d505201167e8bdd2f2700790d5db6 (git)
Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < a78d055ba7c31103ad02f8eceb0c452e154d2660 (git)
Affected: ddb94eafab8b597b05904c8277194ea2d6357fa9 , < 008e7a7c293b30bc43e4368dac6ea3808b75a572 (git)
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Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.14 , ≤ 6.18.* (semver)
Unaffected: 6.19.4 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.