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UBUNTU-CVE-2017-7374 High

UBUNTU-CVE-2017-7374

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.

Exploit probability Not scored
Published March 31, 2017
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux-lts-xenial

28 explicit affected versions

Ubuntu:16.04:LTS linux

49 explicit affected versions

Ubuntu:16.04:LTS linux-aws

8 explicit affected versions

Ubuntu:16.04:LTS linux-gke

6 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

17 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

26 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

23 explicit affected versions

Ubuntu:18.04:LTS linux-azure

44 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

38 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-edge

10 explicit affected versions

Ubuntu:18.04:LTS linux-oem

50 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3342-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2017-7374

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.

View original source

05 / REFERENCES

Further evidence