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CVE-2026-98019

bpf: mark a NULL call argument precise

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version b5dc0163d8fd78e64a7e21f309cf932fda34353e
Version < 69a9ad004ccf5d45e534c7d503f47f643abe64b7
Status affected
Version b5dc0163d8fd78e64a7e21f309cf932fda34353e
Version < 1a3a10b030c96ea88868ccc060a16827c01eaa5a
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.3
Status affected
Version 0
Version < 5.3
Status unaffected
Version <= 7.2.*
Version 7.2.7
Status unaffected
Version <= *
Version 7.3-rc2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.04
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/69a9ad004ccf5d45e534c7d503f47f643abe64b7
https://git.kernel.org/stable/c/1a3a10b030c96ea88868ccc060a16827c01eaa5a