arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perf_event_paranoid=-1 and no specific PMU driver support registered, allows local users to cause a denial of service (perf_instruction_pointer NULL pointer dereference and OOPS) via a "perf record" command.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 8, 2021 |
| Ubuntu | — | Upgrade linux-image-gcpUpgrade linux-image-genericUpgrade linux-image-virtualUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.11.0-1017-awsUpgrade linux-image-5.11.0-1015-kvmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-oracleUpgrade linux-image-lowlatencyUpgrade linux-image-5.11.0-1018-gcpUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.11.0-1015-azureUpgrade linux-image-generic-64kUpgrade linux-image-azureUpgrade linux-image-5.11.0-1017-raspi-nolpaeUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.11.0-1017-raspiUpgrade linux-image-oem-20.04Upgrade linux-image-gkeUpgrade linux-image-awsUpgrade linux-image-5.11.0-34-genericUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.11.0-34-generic-lpaeUpgrade linux-image-5.11.0-34-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-5.11.0-1017-oracleUpgrade linux-image-5.11.0-34-generic-64kUpgrade linux-image-kvm | Sep 9, 2021 | Aug 8, 2021 |
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