Use After Free Affecting kernel-tools package, versions <0:4.18.0-147.el8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-3484240
- published 26 Jul 2021
- disclosed 19 Aug 2019
Introduced: 19 Aug 2019
CVE-2019-15214 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-147.el8 or higher.
This issue was patched in RHSA-2019:3517.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
An issue was discovered in the Linux kernel before 5.0.10. There is a use-after-free in the sound subsystem because card disconnection causes certain data structures to be deleted too early. This is related to sound/core/init.c and sound/core/info.c.
References
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://access.redhat.com/security/cve/CVE-2019-15214
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2a3f7221acddfe1caa9ff09b3a8158c39b2fdeac
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c2f870890fd28e023b0fcf49dcee333f2c8bad7
- https://syzkaller.appspot.com/bug?id=75903e0021cef79bc434d068b5169b599b2a46a9
- http://www.openwall.com/lists/oss-security/2019/08/20/2
- https://access.redhat.com/errata/RHSA-2019:3517
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- https://usn.ubuntu.com/4115-1/
- https://usn.ubuntu.com/4118-1/