ghsa-pwxx-fx4j-ffv3
Vulnerability from github
Published
2024-04-02 09:30
Modified
2024-10-31 18:31
Severity ?
Details
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fix an NULL dereference bug
The issue here is when this is called from ntfs_load_attr_list(). The "size" comes from le32_to_cpu(attr->res.data_size) so it can't overflow on a 64bit systems but on 32bit systems the "+ 1023" can overflow and the result is zero. This means that the kmalloc will succeed by returning the ZERO_SIZE_PTR and then the memcpy() will crash with an Oops on the next line.
{ "affected": [], "aliases": [ "CVE-2023-52631" ], "database_specific": { "cwe_ids": [ "CWE-476" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2024-04-02T07:15:40Z", "severity": "MODERATE" }, "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix an NULL dereference bug\n\nThe issue here is when this is called from ntfs_load_attr_list(). The\n\"size\" comes from le32_to_cpu(attr-\u003eres.data_size) so it can\u0027t overflow\non a 64bit systems but on 32bit systems the \"+ 1023\" can overflow and\nthe result is zero. This means that the kmalloc will succeed by\nreturning the ZERO_SIZE_PTR and then the memcpy() will crash with an\nOops on the next line.", "id": "GHSA-pwxx-fx4j-ffv3", "modified": "2024-10-31T18:31:16Z", "published": "2024-04-02T09:30:40Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52631" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/686820fe141ea0220fc6fdfc7e5694f915cf64b2" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0b" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/b2dd7b953c25ffd5912dda17e980e7168bebcf6c" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/ec1bedd797588fe38fc11cba26d77bb1d9b194c6" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/fb7bcd1722bc9bc55160378f5f99c01198fd14a7" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.