CVE-2021-3612: Input Validation
First published: Sun Jun 20 2021(Updated: )
An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Credit: secalert@redhat.com secalert@redhat.com
| 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 |
| redhat/kernel | <5.9 | 5.9 |
| Linux Linux kernel | <5.9.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Fedoraproject Fedora | =34 | |
| 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 | |
| Netapp Cloud Backup | ||
| All of | ||
| Netapp Solidfire Baseboard Management Controller | ||
| Netapp Solidfire Baseboard Management Controller Firmware | ||
| All of | ||
| Netapp H300s | ||
| Netapp H300s Firmware | ||
| All of | ||
| Netapp H500s | ||
| Netapp H500s Firmware | ||
| All of | ||
| Netapp H700s | ||
| Netapp H700s Firmware | ||
| All of | ||
| Netapp H300e | ||
| Netapp H300e Firmware | ||
| All of | ||
| Netapp H500e | ||
| Netapp H500e Firmware | ||
| All of | ||
| Netapp H700e | ||
| Netapp H700e Firmware | ||
| All of | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| All of | ||
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| Netapp Solidfire Baseboard Management Controller Firmware | ||
| Netapp Solidfire Baseboard Management Controller | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| Netapp H300e Firmware | ||
| Netapp H300e | ||
| Netapp H500e Firmware | ||
| Netapp H500e | ||
| Netapp H700e Firmware | ||
| Netapp H700e | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.9-1 |
Remedy
To mitigate this issue, prevent the module joydev 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-2021-3612 https://nvd.nist.gov/vuln/detail/CVE-2021-3612 https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82@gmail.com/
- https://bugzilla.redhat.com/show_bug.cgi?id=1974079
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
- https://access.redhat.com/security/cve/cve-2021-3612
- https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82@gmail.com/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/
- https://security.netapp.com/advisory/ntap-20210805-0005/
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://launchpad.net/bugs/cve/CVE-2021-3612
- https://lore.kernel.org/linux-input/20210219083215.GS2087@kadam/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1974080
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/
- https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/
- https://security-tracker.debian.org/tracker/CVE-2021-3612
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3612
- https://nvd.nist.gov/vuln/detail/CVE-2021-3612
- https://ubuntu.com/security/CVE-2021-3612
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- canonical/netapp h500s firmware
- canonical/netapp h700s
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- canonical/netapp h300e firmware
- canonical/netapp h500e
- canonical/netapp h500e firmware
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