CVE-2026-31559 (GCVE-0-2026-31559)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:35 – Updated: 2026-05-23 16:05
VLAI
Title
LoongArch: Fix missing NULL checks for kstrdup()
Summary
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix missing NULL checks for kstrdup() 1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple calls to "of_node_put()". 2. Fix a potential kernel oops during early boot when memory allocation fails while parsing CPU model from device tree.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: facc69f43502c135c16b97d5ded7253f15597912 , < 5e7fde2c551f86e6c3de3fd7a9b1f52806ac8db0 (git)
Affected: 70a2365e18affc5ebdaab1ca6a0b3c4f3aac2ee8 , < a1da957c25cf751a2dce8fb7777f82ccbac0cb3e (git)
Affected: 70a2365e18affc5ebdaab1ca6a0b3c4f3aac2ee8 , < b61a309743322fb57fb9afa9aa3495ac758e4f5e (git)
Affected: 70a2365e18affc5ebdaab1ca6a0b3c4f3aac2ee8 , < 3a28daa9b7d7c2ddf2c722e9e95d7e0928bf0cd1 (git)
Affected: 620805dc674eab3055543496a7ef25beb9ffd2a8 (git)
Affected: 8dfeedf9eceadc1a2fc9066b4c5230690d1cad48 (git)
Affected: 6.12.43 , < 6.12.80 (semver)
Affected: 6.15.11 , < 6.16 (semver)
Affected: 6.16.2 , < 6.17 (semver)
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Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.12.80 , ≤ 6.12.* (semver)
Unaffected: 6.18.21 , ≤ 6.18.* (semver)
Unaffected: 6.19.11 , ≤ 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.

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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.


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