AZL-90200

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Import Source

https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90200.json

JSON Data

https://api.osv.dev/v1/vulns/AZL-90200

Upstream

CVE-2026-55392

Published

2026-06-18T19:16:23Z

Modified

2026-08-30T05:24:52Z

Summary

CVE-2026-55392 affecting package nilfs-utils 2.2.11-4

Details

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid() function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashing tools like nilfs-tune and dumpseg.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-55392

Affected packages

Azure Linux:3 / nilfs-utils

Package

Name: nilfs-utils
Purl: pkg:rpm/azure-linux/nilfs-utils

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Last affected

2.2.11-4

Database specific

source

"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90200.json"