CVE-2023-32246
ksmbd: call rcu_barrier() in ksmbd_server_exit()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ksmbd: call rcu_barrier() in ksmbd_server_exit() racy issue is triggered the bug by racing between closing a connection and rmmod. In ksmbd, rcu_barrier() is not called at module unload time, so nothing prevents ksmbd from getting unloaded while it still has RCU callbacks pending. It leads to trigger unintended execution of kernel code locally and use to defeat protections such as Kernel Lockdown
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 16, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
0626e6641f6b467447c81dd7678a69c66f7746cf < c053e389db0d892e2ff5a60ec5e533b976503795 0626e6641f6b467447c81dd7678a69c66f7746cf < b80422474ffe44cb5e813cd6da1f1c6bc50fd9d2 0626e6641f6b467447c81dd7678a69c66f7746cf < d4174505016a3b2996eb7ff1530dcabbf15d47b6 0626e6641f6b467447c81dd7678a69c66f7746cf < 5a7090ccc242ab009ee7769e9d7fad6644dbe9bd 0626e6641f6b467447c81dd7678a69c66f7746cf < eb307d09fe15844fdaebeb8cc8c9b9e925430aa5
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/c053e389db0d892e2ff5a60ec5e533b976503795 git.kernel.org: https://git.kernel.org/stable/c/b80422474ffe44cb5e813cd6da1f1c6bc50fd9d2 git.kernel.org: https://git.kernel.org/stable/c/d4174505016a3b2996eb7ff1530dcabbf15d47b6 git.kernel.org: https://git.kernel.org/stable/c/5a7090ccc242ab009ee7769e9d7fad6644dbe9bd git.kernel.org: https://git.kernel.org/stable/c/eb307d09fe15844fdaebeb8cc8c9b9e925430aa5