Vulnerability in Linux Linux_kernel
CVE-2021-28971
In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled…
EPSS: 0.004 (30.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Netapp Aff_500f
- Netapp Aff_500f_firmware
- Netapp Aff_a250
- Netapp Aff_a250_firmware
- Netapp Cloud_backup
- Netapp Solidfire_baseboard_management_controller_firmware
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33, 34
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28971?
- CVE-2021-28971 is a medium-severity vulnerability in Linux Linux_kernel, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.5/10. Published 2021-03-22.
- How severe is CVE-2021-28971?
- Medium severity. CVSS v3 base score is 5.5 out of 10.