CVE-2021-37159: Use After Free
First published: Fri Oct 02 2020(Updated: )
A flaw use-after-free in the Linux kernel USB High Speed Mobile Devices functionality was found in the way user detaches USB device. A local user could use this flaw to crash the system or escalate their privileges on the system.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-372.9.1.rt7.166.el8 | 0:4.18.0-372.9.1.rt7.166.el8 |
| redhat/kernel | <0:4.18.0-372.9.1.el8 | 0:4.18.0-372.9.1.el8 |
| Linux Linux kernel | <=5.13.4 | |
| Debian Debian Linux | =9.0 | |
| Oracle Communications Cloud Native Core Binding Support Function | =22.1.3 | |
| Oracle Communications Cloud Native Core Network Exposure Function | =22.1.1 | |
| Oracle Communications Cloud Native Core Policy | =22.2.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
Remedy
To mitigate this issue, prevent the module hso from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-37159 https://nvd.nist.gov/vuln/detail/CVE-2021-37159 https://www.spinics.net/lists/linux-usb/msg202228.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1985353
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
- https://access.redhat.com/security/cve/cve-2021-37159
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://security.netapp.com/advisory/ntap-20210819-0003/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.spinics.net/lists/linux-usb/msg202228.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1985354
- https://bugzilla.suse.com/show_bug.cgi?id=1188601
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145
- https://launchpad.net/bugs/cve/CVE-2021-37159
- https://security-tracker.debian.org/tracker/CVE-2021-37159
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37159
- https://nvd.nist.gov/vuln/detail/CVE-2021-37159
- https://ubuntu.com/security/CVE-2021-37159
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