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UBUNTU-CVE-2019-8912 High

UBUNTU-CVE-2019-8912

In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.

Exploit probability Not scored
Published February 18, 2019
Required by Not available
Last source change April 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:14.04:LTS linux-azure

9 explicit affected versions

Ubuntu:16.04:LTS linux-aws-hwe

4 explicit affected versions

Ubuntu:16.04:LTS linux-azure

32 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

27 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

47 explicit affected versions

Ubuntu:16.04:LTS linux-oracle

3 explicit affected versions

Ubuntu:18.04:LTS linux

26 explicit affected versions

Ubuntu:18.04:LTS linux-aws

21 explicit affected versions

Ubuntu:18.04:LTS linux-azure

23 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

19 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-edge

4 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

4 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

20 explicit affected versions

Ubuntu:18.04:LTS linux-oem

17 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

3 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

22 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-3930-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2019-8912

In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.

View original source

05 / REFERENCES

Further evidence