Riskcovery

CVE-2023-52646

aio: fix mremap after fork null-deref

State
Published
Severity
Not scored
Published
Apr 26, 2024
Updated
May 11, 2026
Reserved
Mar 6, 2024

Read the record on cve.org

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]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before 808f1e4b5723ae4eda724d2ad6f6638905eefd95Affected
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before d8dca1bfe9adcae38b35add64977818c0c13dd22Affected
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before 4326d0080f7e84fba775da41d158f46cf9d3f1c2Affected
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before c261f798f7baa8080cf0214081d43d5f86bb073fAffected
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before 178993157e8c50aef7f35d7d6d3b44bb428199e1Affected
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before af126acf01a12bdb04986fd26fc2eb3b40249e0dAffected
  • e4a0d3e720e7e508749c1439b5ba3aff56c92976 to before 81e9d6f8647650a7bead74c5f926e29970e834d1Affected
LinuxLinux
  • 3.19Affected
  • before 3.19Not affected
  • 4.14.306 through 4.14.*Not affected
  • 4.19.273 through 4.19.*Not affected
  • 5.4.232 through 5.4.*Not affected
  • 5.10.169 through 5.10.*Not affected
  • 5.15.95 through 5.15.*Not affected
  • 6.1.13 through 6.1.*Not affected
  • 6.2 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.