CVE-2019-19527: Use After Free
First published: Tue Aug 06 2019(Updated: )
In the Linux kernel before 5.2.10, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver, aka CID-9c09b214f30e.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-1127.18.2.rt56.1116.el7 | 0:3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel | <0:3.10.0-1127.18.2.el7 | 0:3.10.0-1127.18.2.el7 |
| redhat/kernel | <0:3.10.0-1062.36.1.el7 | 0:3.10.0-1062.36.1.el7 |
| redhat/kernel-rt | <0:4.18.0-147.8.1.rt24.101.el8_1 | 0:4.18.0-147.8.1.rt24.101.el8_1 |
| redhat/kernel | <0:4.18.0-147.8.1.el8_1 | 0:4.18.0-147.8.1.el8_1 |
| Android | ||
| Linux Kernel | >=2.6.30<3.16.79 | |
| Linux Kernel | >=3.17<4.4.190 | |
| Linux Kernel | >=4.5<4.9.190 | |
| Linux Kernel | >=4.10<4.14.140 | |
| Linux Kernel | >=4.15<4.19.68 | |
| Linux Kernel | >=4.20<5.2.10 | |
| Debian Linux | =8.0 | |
| SUSE Linux | =15.1 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d4472d7bec39917b54e4e80245784ea5d60ce49
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9c09b214f30e3c11f9b0b03f89442df03643794d
- https://source.android.com/docs/security/bulletin/2020-03-01 (Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- http://www.openwall.com/lists/oss-security/2019/12/03/4
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- http://seclists.org/oss-sec/2019/q4/115
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1783503
- https://access.redhat.com/errata/RHSA-2020:1378
- https://access.redhat.com/security/cve/cve-2019-19527
- https://access.redhat.com/errata/RHSA-2020:1372
- https://access.redhat.com/errata/RHSA-2020:3220
- https://access.redhat.com/errata/RHSA-2020:3221
- https://access.redhat.com/errata/RHSA-2020:4236
- https://bugzilla.redhat.com/show_bug.cgi?id=1783498
- https://www.cve.org/CVERecord?id=CVE-2019-19527 https://nvd.nist.gov/vuln/detail/CVE-2019-19527
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2019-19527?
CVE-2019-19527 has a medium severity due to the potential for exploitation via a malicious USB device.
How do I fix CVE-2019-19527?
To fix CVE-2019-19527, update to the latest kernel versions that are above 5.2.10 or apply the appropriate patches as provided by your Linux distribution.
What systems are affected by CVE-2019-19527?
CVE-2019-19527 affects various Linux kernel versions prior to 5.2.10, including specific Red Hat and Debian releases.
What type of vulnerability is CVE-2019-19527?
CVE-2019-19527 is classified as a use-after-free vulnerability in the Linux kernel's USB HID driver.
Can CVE-2019-19527 be exploited remotely?
Yes, CVE-2019-19527 can potentially be exploited when a user connects a malicious USB device to the affected system.
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