Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP On x86-64 calling bpf_get_smp_processor_id() in a kernel with CONFIG_SMP disabled can trigger the following bug, as pcpu_hot is unavailable: [ 8.471774] BUG: unable to handle page fault for address: 00000000936a290c [ 8.471849] #PF: supervisor read access in kernel mode [ 8.471881] #PF: error_code(0x0000) - not-present page Fix by inlining a return 0 in the !CONFIG_SMP case.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1ae6921009e5d72787e07ccc04754514ccf6bc99 before f4ab7d74247b0150547cf909b3f6f24ee85183df; affected 1ae6921009e5d72787e07ccc04754514ccf6bc99 before 23579010cf0a12476e96a5f1acdf78a9c5843657 |
| Linux / Linux | affected 6.10; unaffected 0 before 6.10; unaffected 6.12.8 through 6.12.*; unaffected 6.13 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/f4ab7d74247b0150547cf909b3f6f24ee85183df
- https://git.kernel.org/stable/c/23579010cf0a12476e96a5f1acdf78a9c5843657
ADP enrichment
No English description supplied.
No references supplied.