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CVE-2023-52646

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CVE-2023-52646

Published: Apr 26, 2024

Modified: May 11, 2026

PUBLISHED

Description

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. [[email protected]: fix 80 column issue]

VendorProductVersions

Linux

Linux

affected
e4a0d3e720e7e508749c1439b5ba3aff56c92976 - < 808f1e4b5723ae4eda724d2ad6f6638905eefd95
affected
e4a0d3e720e7e508749c1439b5ba3aff56c92976 - < d8dca1bfe9adcae38b35add64977818c0c13dd22
affected
e4a0d3e720e7e508749c1439b5ba3aff56c92976 - < 4326d0080f7e84fba775da41d158f46cf9d3f1c2
affected
e4a0d3e720e7e508749c1439b5ba3aff56c92976 - < c261f798f7baa8080cf0214081d43d5f86bb073f
affected
e4a0d3e720e7e508749c1439b5ba3aff56c92976 - < 178993157e8c50aef7f35d7d6d3b44bb428199e1

+2 more versions

Linux

Linux

affected
3.19
unaffected
0 - < 3.19
unaffected
4.14.306 - <= 4.14.*
unaffected
4.19.273 - <= 4.19.*
unaffected
5.4.232 - <= 5.4.*

+4 more versions

References

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