Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.13, < 5.15.121 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0bc380beb78aa352eadbc21d934dd9606fcee808Patch
- https://git.kernel.org/stable/c/86bfb18bad60fc468e5f112cbbd918462a8dd435Patch
- https://git.kernel.org/stable/c/a9ccf140a2a03a0ae82be4bdfbdd17bdaea72ff5Patch
- https://git.kernel.org/stable/c/dc7e0192c470a53d847c79a2796f9ac429477a26Patch
FAQ
What is CVE-2023-53205?
CVE-2023-53205 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...
How severe is CVE-2023-53205?
CVE-2023-53205 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-53205?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.