CVE-2026-98019
bpf: mark a NULL call argument precise
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: bpf: mark a NULL call argument precise check_func_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. check_helper_call() enforces second parameter of the bpf_get_local_storage() to be zero, w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Grouping these two into one patch, as they share the same fixes tag.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 25, 2026 |
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Affected Versions
Linux / Linux
b5dc0163d8fd78e64a7e21f309cf932fda34353e < 69a9ad004ccf5d45e534c7d503f47f643abe64b7 b5dc0163d8fd78e64a7e21f309cf932fda34353e < 1a3a10b030c96ea88868ccc060a16827c01eaa5a
Linux / Linux
5.3