CVE-2023-52646
Vulnerability from cvelistv5
Published
2024-04-26 12:19
Modified
2024-12-19 08:23
Severity ?
EPSS score ?
Summary
aio: fix mremap after fork null-deref
References
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"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naio: fix mremap after fork null-deref\n\nCommit e4a0d3e720e7 (\"aio: Make it possible to remap aio ring\") introduced\na null-deref if mremap is called on an old aio mapping after fork as\nmm-\u003eioctx_table will be set to NULL.\n\n[jmoyer@redhat.com: fix 80 column issue]" } ], "providerMetadata": { "dateUpdated": "2024-12-19T08:23:16.263Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95" }, { "url": "https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22" }, { "url": "https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2" }, { "url": "https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f" }, { "url": "https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1" }, { "url": 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null-deref\\n\\nCommit e4a0d3e720e7 (\\\"aio: Make it possible to remap aio ring\\\") introduced\\na null-deref if mremap is called on an old aio mapping after fork as\\nmm-\u003eioctx_table will be set to NULL.\\n\\n[jmoyer@redhat.com: fix 80 column issue]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: aio: corrige mremap despu\u00e9s de la bifurcaci\u00f3n null-deref Commit e4a0d3e720e7 (\\\"aio: Make it posible reasignar el anillo aio\\\") introdujo un null-deref si se llama a mremap en un mapeo aio antiguo despu\u00e9s de la bifurcaci\u00f3n como mm-\u0026gt;ioctx_table se establecer\u00e1 en NULL. 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} }
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- 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.