PT-2026-90300 · Linux · Linux
CVE-2026-89584
·
Publicado
2026-09-11
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Atualizado
2026-09-11
CVSS v3.1
7.8
Alta
| Vetor | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
In the Linux kernel, the following vulnerability has been resolved:
block: validate user space vectors during extraction
The bio-based drivers don't necessarily check the alignment split, and
stacking block drivers don't always handle a misalignment detected after
submitting the bio. Validate user vectors against the device's
dma alignment as the bio is built from the iov iter, rejecting
misaligned early with -EINVAL.
Correção
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