CVE-2017-7374: Use After Free

Published Mar 31, 2017
·
Updated

Last updated 29 November 2024

Other sources

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.

Affected Software

5 affected componentsFixes available
Google Android
Linux Linux Kernel>=4.2<4.4.59
Linux Linux Kernel>=4.5<4.9.20
Linux Linux Kernel>=4.10<4.10.7
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.22-16.12.25-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.22-1Fixed in 6.12.25-1
  2. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Fixed in 4.10.7

Event History

Mar 31, 2017
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
Data Sourced
via NVD·08:59 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:38 PM
Description
Dec 1, 2024
Data Sourced
via Ubuntu·02:04 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2017-7374?

The severity of CVE-2017-7374 is high with a severity value of 7.

2

How does CVE-2017-7374 affect Linux kernel versions?

CVE-2017-7374 affects Linux kernel versions before 4.10.7.

3

What is the impact of CVE-2017-7374?

The impact of CVE-2017-7374 is a use-after-free vulnerability that allows local users to cause a denial of service or possibly gain privileges.

4

How can I fix CVE-2017-7374?

To fix CVE-2017-7374, update the Linux kernel to version 4.10.7 or later.

5

Where can I find more information about CVE-2017-7374?

You can find more information about CVE-2017-7374 in the references section.

Contact

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