cve-2023-2236
Vulnerability from cvelistv5
Published
2023-05-01 12:50
Modified
2024-08-02 06:19
Severity ?
EPSS score ?
Summary
Use-after-free in Linux kernel's Performance Events subsystem
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | Linux | Linux Kernel |
Version: 5.19 < 6.1 |
|
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"text/html", "value": "\u003cp\u003eA use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.\u003c/p\u003e\u003cp\u003eBoth\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eio_install_fixed_file\u003c/span\u003e\u0026nbsp;and its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability.\u003c/p\u003e\u003cp\u003eWe recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.\u003c/p\u003e" } ], "value": "A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.\n\nBoth\u00a0io_install_fixed_file\u00a0and its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability.\n\nWe recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.\n\n" } ], "impacts": [ { "capecId": 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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.