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CVE-2026-90369

wifi: mt76: fix out-of-bounds access in mmio copy helpers

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: fix out-of-bounds access in mmio copy helpers

mt76_mmio_write_copy() and mt76_mmio_read_copy() iterate up to
ALIGN(len, 4), so a length that is not a multiple of four reads past the
source buffer (write_copy) or writes past the destination (read_copy).
Copy the aligned body in the loop and handle the remaining tail through a
4-byte bounce buffer, keeping the register access width unchanged.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 2df00805f7dbaa46b60c682aad0d76270b7ba266
Version < 6ed0fba58bb125a8d8de96e391aa86111166efca
Status affected
Version 2df00805f7dbaa46b60c682aad0d76270b7ba266
Version < 6689b4a65e88d7b019e687fa9d6943ca070f3e43
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.19
Status affected
Version 0
Version < 6.19
Status unaffected
Version <= 7.2.*
Version 7.2.6
Status unaffected
Version <= *
Version 7.3-rc1
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% 0.051
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/6ed0fba58bb125a8d8de96e391aa86111166efca
https://git.kernel.org/stable/c/6689b4a65e88d7b019e687fa9d6943ca070f3e43