CVE-2024-56768
Published: Jan 6, 2025
Modified: May 11, 2026
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 1ae6921009e5d72787e07ccc04754514ccf6bc99 - < f4ab7d74247b0150547cf909b3f6f24ee85183dfaffected 1ae6921009e5d72787e07ccc04754514ccf6bc99 - < 23579010cf0a12476e96a5f1acdf78a9c5843657 |
Linux | Linux | affected 6.10unaffected 0 - < 6.10unaffected 6.12.8 - <= 6.12.*unaffected 6.13 - <= * |
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