CVE-2023-52696 (GCVE-0-2023-52696)
Vulnerability from cvelistv5 – Published: 2024-05-17 14:27 – Updated: 2026-05-11 19:31
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-16 21:19 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
8 references
Impacted products
18 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| 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) |
guessed | |
| 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) |
guessed | |
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < e123015c0ba8
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < 9da4a56dd377
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < a67a04ad05ac
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < 6b58d1603721
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < f152a6bfd187
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < 69f95c5e9220
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
b9ef7b4b867f , < b02ecc35d01a
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
5.4.268 , < 5.5
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
5.10.209 , < 5.11
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
5.15.148 , < 5.16
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.1.75 , < 6.2
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.6.14 , < 6.7
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.7.2 , < 6.8
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.8
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
0 , < 4.20
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
4.2.0
cpe:2.3:o:linux:linux_kernel:4.2.0:*:*:*:*:*:*:* |
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"title": "powerpc/powernv: Add a null pointer check in opal_powercap_init()",
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"dataType": "CVE_RECORD",
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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