CVE-2023-52646

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Source
https://cve.org/CVERecord?id=CVE-2023-52646
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52646.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-52646
Downstream
Related
Published
2024-04-26T12:19:32.167Z
Modified
2026-03-13T07:48:08.197341Z
Summary
aio: fix mremap after fork null-deref
Details

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]

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52646.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
e4a0d3e720e7e508749c1439b5ba3aff56c92976
Fixed
808f1e4b5723ae4eda724d2ad6f6638905eefd95
Fixed
d8dca1bfe9adcae38b35add64977818c0c13dd22
Fixed
4326d0080f7e84fba775da41d158f46cf9d3f1c2
Fixed
c261f798f7baa8080cf0214081d43d5f86bb073f
Fixed
178993157e8c50aef7f35d7d6d3b44bb428199e1
Fixed
af126acf01a12bdb04986fd26fc2eb3b40249e0d
Fixed
81e9d6f8647650a7bead74c5f926e29970e834d1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52646.json"