CVE-2024-35864 (GCVE-0-2024-35864)
Vulnerability from cvelistv5 – Published: 2024-05-19 08:34 – Updated: 2026-08-05 11:30
VLAI
EPSS
VEX
Title
smb: client: fix potential UAF in smb2_is_valid_lease_break()
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix potential UAF in smb2_is_valid_lease_break()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-29 18:32 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
7f48558e6489d032b1584b0cc9ac4bb11072c034 , < c868cabdf6fdd61bea54532271f4708254e57fc5
(git)
Affected: 7f48558e6489d032b1584b0cc9ac4bb11072c034 , < f92739fdd4522c4291277136399353d7c341fae4 (git) Affected: 7f48558e6489d032b1584b0cc9ac4bb11072c034 , < a8344e2b69bde63f713b0aa796d70dbeadffddfb (git) Affected: 7f48558e6489d032b1584b0cc9ac4bb11072c034 , < 705c76fbf726c7a2f6ff9143d4013b18daaaebf1 (git) Affected: a67172a013953664b1dad03c648200c70b90506c (git) Affected: 3.12.48 , < 3.13 (semver) |
guessed | |
| Linux | Linux |
Affected:
3.13
Unaffected: 0 , < 3.13 (semver) Unaffected: 6.1.85 , ≤ 6.1.* (semver) Unaffected: 6.6.26 , ≤ 6.6.* (semver) Unaffected: 6.8.5 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
guessed |
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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-08-04T22:46:52+00:00",
"cve": "CVE-2024-35864",
"id": "CVE-2024-35864",
"initial_release_date": "2024-05-19T00:00:00+00:00",
"product_status:fixed": "280",
"product_status:known_affected": "36",
"product_status:known_not_affected": "84",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: smb: client: fix potential UAF in smb2_is_valid_lease_break()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-35864.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-01T01:11:54Z",
"cve": "CVE-2024-35864",
"id": "CVE-2024-35864",
"initial_release_date": "2024-05-21T01:59:43Z",
"product_status:known_affected": "374",
"product_status:known_not_affected": "6",
"product_status:recommended": "1161",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-35864",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-35864.json",
"version": "116"
},
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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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