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HIGH

CVE-2026-90052

CVSS v3

7.8

HIGH

Score EPSS

0.2 %

probabilité d’exploitation au 2026-09-28

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix buffer overflow with keyed discard Since commit 68c5c42567bc ("dm-integrity: replace forgeable discard filler with a keyed sector marker"), integrity_metadata computes a checksum for every discarded block into the "checksums" buffer. integrity_sector_checksum always writes the whole digest. So if the tag size is smaller than the digest size, the checksum of the last block that fits into the buffer is written

Détails techniques

Publiée le
2026-09-17
Dernière modification
2026-09-18

Questions fréquentes

Qu’est-ce que CVE-2026-90052 ?

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix buffer overflow with keyed discard Since commit 68c5c42567bc ("dm-integrity: replace forgeable discard filler with a keyed sector marker"), integrity_metadata computes a checksum for every discarded block into the "checksums" buffer. integrity_sector_checksum always writes the whole digest. So if the tag size is smaller than the digest size, the checksum of the last block that fits into the buffer is written

CVE-2026-90052 est-elle activement exploitée ?

Aucune exploitation active de CVE-2026-90052 n’est confirmée. Son score EPSS était de 0.2 % au 2026-09-28, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2026-90052 ?

CVE-2026-90052 a un score de base CVSS v3 de 7.8 (gravité HIGH).

CVE-2026-90052 touche-t-elle votre environnement ?

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