CVE-2023-52646
Vulnerability from cvelistv5
Published
2024-04-26 12:19
Modified
2024-12-19 08:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [jmoyer@redhat.com: fix 80 column issue]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22Patch
Impacted products
Vendor Product Version
Linux Linux Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Version: e4a0d3e720e7e508749c1439b5ba3aff56c92976
Create a notification for this product.
   Linux Linux Version: 3.19
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Show details on NVD website


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\"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/aio.c\"], \"defaultStatus\": \"affected\"}], \"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\": \"https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d\"}, {\"url\": \"https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"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\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:23:16.263Z\"}}}",
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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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.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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