CVE-2026-89799
Received
Received - Intake
BaseFortify
Vulnerability report for CVE-2026-89799, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-16
Last updated on: 2026-09-21
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Disable preemption in bpf_get_stackid
The get_perf_callchain call needs disabled preemption plus we need
it disabled as long as we access its returned trace entries buffer.
Note the bpf_get_stackid_pe function is executed already with
preemption disabled.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Linux | Linux | d5a3b1f691865be576c2bffa708549b8cdccda19 |
| Linux | Linux | d5a3b1f691865be576c2bffa708549b8cdccda19 |
| Linux | Linux | d5a3b1f691865be576c2bffa708549b8cdccda19 |
| Linux | Linux | d5a3b1f691865be576c2bffa708549b8cdccda19 |
| Linux | Linux | 4.6 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
