CVE-2017-7374

kernel: use-after-free in keyring key revocation

Published Mar 31, 2017 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2017-16401 Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.
Ubuntu USN Ubuntu USN USN-3265-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3265-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3342-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3342-2 Linux kernel (HWE) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 3:56 PM
Reserved
Mar 31, 2017, 12:00 AM
Status
Modified
Published
Mar 31, 2017, 8:59 PM
Modified
Jun 17, 2026, 1:24 AM
Severity
Low
Public date
Mar 31, 2017, 12:00 AM