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CVE-2025-21671

HIGH

7.8

Description

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zram_meta_alloc failed early, it frees allocated zram->table without setting it NULL. Which will potentially cause zram_meta_free to access the table if user reset an failed and uninitialized device.

Details CVE

Score CVSS v3.17.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie1/31/2025

Derniere modification11/3/2025

Sourcenvd

Observations honeypot0

Produits affectes

linux:linux_kernel

Faiblesses (CWE)

CWE-416CWE-416

References

https://git.kernel.org/stable/c/212fe1c0df4a150fb6298db2cfff267ceaba5402(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/571d3f6045cd3a6d9f6aec33b678f3ffe97582ef(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/902ef8f16d5ca77edc77c30656be54186c1e99b7(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/fe3de867f94819ba0f28e035c0b0182150147d95(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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