USN-8853-1: OpenSBI vulnerability
AI summary · grok-4.7
Ubuntu patched an OpenSBI flaw that can let attackers cause a denial of service.
Ubuntu Security Notice USN-8853-1 says OpenSBI did not properly validate the counter index mask in SBI PMU extension requests. An attacker could use the issue to cause a denial of service. The notice does not name a CVE or report observed exploitation.
- OpenSBI mishandles the counter index mask in SBI PMU requests.
- The stated impact is denial of service, with no exploitation reported.
- Ubuntu published the fix as security notice USN-8853-1.
Full article
It was discovered that OpenSBI did not properly validate the counter index mask in SBI PMU extension requests. An attacker could use this issue to cause a denial of service.
This source does not provide full text. Read it at ubuntu.com.