NULL Pointer Dereference Affecting perf package, versions *
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Test your applications- Snyk ID SNYK-RHEL8-PERF-6738168
- published 30 Apr 2024
- disclosed 26 Apr 2024
Introduced: 26 Apr 2024
CVE-2023-52646 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:8 perf.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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]
References
- https://access.redhat.com/security/cve/CVE-2023-52646
- https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1
- https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2
- https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95
- https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1
- https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d
- https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f
- https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22