CVE-2023-52646

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

[jmoyer@redhat.com: fix 80 column issue]

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < 808f1e4b5723ae4eda724d2ad6f6638905eefd95; >= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < d8dca1bfe9adcae38b35add64977818c0c13dd22; >= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < 4326d0080f7e84fba775da41d158f46cf9d3f1c2; >= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < c261f798f7baa8080cf0214081d43d5f86bb073f; >= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < 178993157e8c50aef7f35d7d6d3b44bb428199e1; >= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < af126acf01a12bdb04986fd26fc2eb3b40249e0d; >= e4a0d3e720e7e508749c1439b5ba3aff56c92976, < 81e9d6f8647650a7bead74c5f926e29970e834d1
LinuxLinux3.19

References

Timeline

Published
Apr 26, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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