Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Implement a crw lock Unlike the channel_program struct, which covers synchronous I/O submissions and asynchronous interrupts, the CRW region relies exclusively on asynchronous events coming from hardware. Implement a lock to manage the list of those payloads, to ensure they are read cohesively.
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/0edd222730a9d7ec98368aaf1d40ee2d8d862e61
- https://git.kernel.org/stable/c/16b0798024c0e9117e395829ddbbe70981c79d9c
- https://git.kernel.org/stable/c/3c94d4179bcc19e01b28db634c07a58b28116209
- https://git.kernel.org/stable/c/49fa26b0df009dc1f420980bd71780e70615b83b
- https://git.kernel.org/stable/c/7902be374cbfc11c3435e1e87bf22195bf06a558
- https://git.kernel.org/stable/c/a3d60ae24183eee352c8e87a0ff94c97cd87f156
- https://git.kernel.org/stable/c/c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9
FAQ
What is CVE-2026-80547?
CVE-2026-80547 is a vulnerability with a CVSS score of 8.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Implement a crw lock Unlike the channel_program struct, which covers synchronous I/O submissions and asynchronous i...
How severe is CVE-2026-80547?
CVE-2026-80547 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-80547?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.