CVE-2023-52696 (GCVE-0-2023-52696)

Vulnerability from cvelistv5 – Published: 2024-05-17 14:27 – Updated: 2026-05-11 19:31
VLAI?
Title
powerpc/powernv: Add a null pointer check in opal_powercap_init()
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_powercap_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < 9da4a56dd3772570512ca58aa8832b052ae910dc (git)
Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < a67a04ad05acb56640798625e73fa54d6d41cce1 (git)
Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < 6b58d16037217d0c64a2a09b655f370403ec7219 (git)
Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < f152a6bfd187f67afeffc9fd68cbe46f51439be0 (git)
Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < 69f95c5e9220f77ce7c540686b056c2b49e9a664 (git)
Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < b02ecc35d01a76b4235e008d2dd292895b28ecab (git)
Affected: b9ef7b4b867f56114bedbe6bf104cfaba0ca818e , < e123015c0ba859cf48aa7f89c5016cc6e98e018d (git)
Create a notification for this product.
Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.75 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "cveMetadata": "{\"cveId\": \"CVE-2023-52696\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-16T21:20:15.174Z\", \"dateReserved\": \"2024-03-07T14:49:46.889Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T14:27:28.583Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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

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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.



Detection rules are retrieved from Rulezet.