A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service.
This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.
The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2023-32253 is classified as CWE-413: Improper Resource Locking. The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource.
CVE-2023-32253 is recorded against 1 package.
Published on 2 August 2025 and last revised on 30 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
access.redhat.com
bugzilla.redhat.com
unknown has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-413: Improper Resource Locking) in other software:
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| unknown | — | — |
References
Similar Threats
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CVE-2023-32253 is rated CVSS 5.9 Medium. BotEraser monitors your WordPress installation and notifies you when software you use appears in our vulnerability database.
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