CVE-2023-53205
highpriority · track · 31EPSS 0.002 · 6 %ileDEEURUUSEPSS · scored 2026-10-28
In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid out-of-bound accesses to the cpu arrays.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (41)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2053Linux Kernel: Mehrere SchwachstellenDeutsch2025-09-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher beschriebene Auswirkungen zu erzielen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2023-53205cnnvd
- https://git.kernel.org/stable/c/0bc380beb78aa352eadbc21d934dd9606fcee808cnnvd
- https://git.kernel.org/stable/c/86bfb18bad60fc468e5f112cbbd918462a8dd435cnnvd
- https://git.kernel.org/stable/c/a9ccf140a2a03a0ae82be4bdfbdd17bdaea72ff5cnnvd
- https://git.kernel.org/stable/c/dc7e0192c470a53d847c79a2796f9ac429477a26cnnvd
- https://www.kernel.org/Patchcnnvd
- https://git.kernel.org/stable/c/0bc380beb78aa352eadbc21d934dd9606fcee808enisa_euvd
- https://git.kernel.org/stable/c/86bfb18bad60fc468e5f112cbbd918462a8dd435enisa_euvd
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