GHSA-QF78-3CFM-29PM
Vulnerability from github – Published: 2024-10-21 15:32 – Updated: 2025-11-04 00:31
VLAI
Details
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix potential oob read in nilfs_btree_check_delete()
The function nilfs_btree_check_delete(), which checks whether degeneration to direct mapping occurs before deleting a b-tree entry, causes memory access outside the block buffer when retrieving the maximum key if the root node has no entries.
This does not usually happen because b-tree mappings with 0 child nodes are never created by mkfs.nilfs2 or nilfs2 itself. However, it can happen if the b-tree root node read from a device is configured that way, so fix this potential issue by adding a check for that case.
Severity
7.1 (High)
{
"affected": [],
"aliases": [
"CVE-2024-47757"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-21T13:15:05Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix potential oob read in nilfs_btree_check_delete()\n\nThe function nilfs_btree_check_delete(), which checks whether degeneration\nto direct mapping occurs before deleting a b-tree entry, causes memory\naccess outside the block buffer when retrieving the maximum key if the\nroot node has no entries.\n\nThis does not usually happen because b-tree mappings with 0 child nodes\nare never created by mkfs.nilfs2 or nilfs2 itself. However, it can happen\nif the b-tree root node read from a device is configured that way, so fix\nthis potential issue by adding a check for that case.",
"id": "GHSA-qf78-3cfm-29pm",
"modified": "2025-11-04T00:31:39Z",
"published": "2024-10-21T15:32:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47757"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/257f9e5185eb6de83377caea686c306e22e871f2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a33e967b681e088a125b979975c93e3453e686cd"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a8abfda768b9f33630cfbc4af6c4214f1e5681b0"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c4cbcc64bb31e67e02940ce060cc77f7180564cf"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c4f8554996e8ada3be872dfb8f60e93bcf15fb27"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d20674f31626e0596ae4c1d9401dfb6739b81b58"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ed76d381dae125b81d09934e365391a656249da8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f3a9859767c7aea758976f5523903d247e585129"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f9c96351aa6718b42a9f42eaf7adce0356bdb5e8"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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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
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
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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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