CVE-2024-40997 (GCVE-0-2024-40997)
Vulnerability from cvelistv5 – Published: 2024-07-12 12:37 – Updated: 2026-05-11 20:24
VLAI
EPSS
VEX
Title
cpufreq: amd-pstate: fix memory leak on CPU EPP exit
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: amd-pstate: fix memory leak on CPU EPP exit
The cpudata memory from kzalloc() in amd_pstate_epp_cpu_init() is
not freed in the analogous exit function, so fix that.
[ rjw: Subject and changelog edits ]
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:01 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
ffa5096a7c338641f70fb06d4778e8cf400181a8 , < 448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd
(git)
Affected: ffa5096a7c338641f70fb06d4778e8cf400181a8 , < 8015c17fe11a8608cc3eb83d0ab831e1845a9582 (git) Affected: ffa5096a7c338641f70fb06d4778e8cf400181a8 , < cea04f3d9aeebda9d9c063c0dfa71e739c322c81 (git) |
guessed | |
| Linux | Linux |
Affected:
6.3
Unaffected: 0 , < 6.3 (semver) Unaffected: 6.6.36 , ≤ 6.6.* (semver) Unaffected: 6.9.7 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
guessed |
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"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/cpufreq/amd-pstate.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd",
"status": "affected",
"version": "ffa5096a7c338641f70fb06d4778e8cf400181a8",
"versionType": "git"
},
{
"lessThan": "8015c17fe11a8608cc3eb83d0ab831e1845a9582",
"status": "affected",
"version": "ffa5096a7c338641f70fb06d4778e8cf400181a8",
"versionType": "git"
},
{
"lessThan": "cea04f3d9aeebda9d9c063c0dfa71e739c322c81",
"status": "affected",
"version": "ffa5096a7c338641f70fb06d4778e8cf400181a8",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/cpufreq/amd-pstate.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.3"
},
{
"lessThan": "6.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.36",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.9.*",
"status": "unaffected",
"version": "6.9.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.10",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: amd-pstate: fix memory leak on CPU EPP exit\n\nThe cpudata memory from kzalloc() in amd_pstate_epp_cpu_init() is\nnot freed in the analogous exit function, so fix that.\n\n[ rjw: Subject and changelog edits ]"
}
],
"providerMetadata": {
"dateUpdated": "2025-03-10T07:40:59.548Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd"
},
{
"url": "https://git.kernel.org/stable/c/8015c17fe11a8608cc3eb83d0ab831e1845a9582"
},
{
"url": "https://git.kernel.org/stable/c/cea04f3d9aeebda9d9c063c0dfa71e739c322c81"
}
],
"title": "cpufreq: amd-pstate: fix memory leak on CPU EPP exit",
"x_generator": {
"engine": "bippy-5f407fcff5a0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-40997",
"datePublished": "2024-07-12T12:37:39.128Z",
"dateReserved": "2024-07-12T12:17:45.607Z",
"dateUpdated": "2025-03-10T07:40:59.548Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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