cve-2023-1872
Vulnerability from cvelistv5
Published
2023-04-12 15:40
Modified
2024-08-02 06:05
Severity ?
EPSS score ?
Summary
Use-after-free in Linux kernel's io_uring subsystem
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Linux | Linux Kernel |
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"kernel", "product": "Linux Kernel", "repo": "https://git.kernel.org", "vendor": "Linux", "versions": [ { "lessThanOrEqual": "5.17", "status": "affected", "version": "5.7", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Bing-Jhong Billy Jheng of Starlabs" } ], "datePublic": "2023-03-03T10:45:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cp\u003eA use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local privilege escalation.\u003c/p\u003e\u003cp\u003eThe io_file_get_fixed function lacks the presence of ctx-\u0026gt;uring_lock which can lead to a Use-After-Free vulnerability due a race condition with fixed files getting unregistered.\u003c/p\u003e\u003cp\u003eWe recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8.\u003c/p\u003e" } ], "value": "A use-after-free 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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.