CVEvulnerability
CVE-2023-52646
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-04-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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]
Affected configurations
• linux linux kernel (>= 3.19 < 4.14.306)
• linux linux kernel (>= 4.15 < 4.19.273)
• linux linux kernel (>= 4.20 < 5.4.232)
• linux linux kernel (>= 5.5 < 5.10.169)
• linux linux kernel (>= 5.11 < 5.15.95)
• linux linux kernel (>= 5.16 < 6.1.13)
• linux linux kernel 6.2
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 Patch
- https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 Patch
- https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 Patch
- https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 Patch
- https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d Patch
- https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f Patch
- https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 Patch
- https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1 Patch
- https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 Patch
- https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95 Patch
- https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1 Patch
- https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d Patch
- https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f Patch
- https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 Patch