CVE-2021-3501
First published: Tue Apr 13 2021(Updated: )
A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-305.3.1.rt7.75.el8_4 | 0:4.18.0-305.3.1.rt7.75.el8_4 |
| redhat/kernel | <0:4.18.0-305.3.1.el8_4 | 0:4.18.0-305.3.1.el8_4 |
| redhat/redhat-virtualization-host | <0:4.4.6-20210615.0.el8_4 | 0:4.4.6-20210615.0.el8_4 |
| redhat/kernel | <5.12 | 5.12 |
| Linux Linux kernel | <5.12 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux For Real Time | =8 | |
| Redhat Enterprise Linux For Real Time For Nfv | =8 | |
| Redhat Enterprise Linux For Real Time For Nfv Tus | =8.4 | |
| Redhat Enterprise Linux For Real Time Tus | =8.4 | |
| Fedoraproject Fedora | =33 | |
| All of | ||
| Any of | ||
| Redhat Virtualization | =4.0 | |
| Redhat Virtualization Host | =4.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Netapp Cloud Backup | ||
| Netapp Solidfire Baseboard Management Controller Firmware | ||
| All of | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| All of | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| All of | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| All of | ||
| Netapp H300e Firmware | ||
| Netapp H300e | ||
| All of | ||
| Netapp H500e Firmware | ||
| Netapp H500e | ||
| All of | ||
| Netapp H700e Firmware | ||
| Netapp H700e | ||
| All of | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| All of | ||
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| Redhat Virtualization | =4.0 | |
| Redhat Virtualization Host | =4.0 | |
| Redhat Enterprise Linux | =8.0 | |
| 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 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
Remedy
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-3501 https://nvd.nist.gov/vuln/detail/CVE-2021-3501 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a
- https://bugzilla.redhat.com/show_bug.cgi?id=1950136
- https://access.redhat.com/errata/RHSA-2021:2169
- https://access.redhat.com/errata/RHSA-2021:2165
- https://access.redhat.com/errata/RHSA-2021:2168
- https://access.redhat.com/errata/RHSA-2021:2522
- https://access.redhat.com/security/cve/cve-2021-3501
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a
- https://security.netapp.com/advisory/ntap-20210618-0008/
- https://launchpad.net/bugs/cve/CVE-2021-3501
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1954240
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1954241
- https://git.kernel.org/linus/04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a
- https://security-tracker.debian.org/tracker/CVE-2021-3501
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3501
- https://nvd.nist.gov/vuln/detail/CVE-2021-3501
- https://ubuntu.com/security/CVE-2021-3501
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/remedy
- agent/severity
- agent/weakness
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-3501
- agent/software-canonical-lookup
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/8.0
- canonical/redhat enterprise linux for real time
- version/redhat enterprise linux for real time/8
- canonical/redhat enterprise linux for real time for nfv
- version/redhat enterprise linux for real time for nfv/8
- canonical/redhat enterprise linux for real time for nfv tus
- version/redhat enterprise linux for real time for nfv tus/8.4
- canonical/redhat enterprise linux for real time tus
- version/redhat enterprise linux for real time tus/8.4
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- canonical/redhat virtualization
- version/redhat virtualization/4.0
- canonical/redhat virtualization host
- version/redhat virtualization host/4.0
- vendor/netapp
- canonical/netapp cloud backup
- canonical/netapp solidfire baseboard management controller firmware
- canonical/netapp h300s firmware
- canonical/netapp h300s
- canonical/netapp h500s firmware
- canonical/netapp h500s
- canonical/netapp h700s firmware
- canonical/netapp h700s
- canonical/netapp h300e firmware
- canonical/netapp h300e
- canonical/netapp h500e firmware
- canonical/netapp h500e
- canonical/netapp h700e firmware
- canonical/netapp h700e
- canonical/netapp h410s firmware
- canonical/netapp h410s
- canonical/netapp h410c firmware
- canonical/netapp h410c
- package-manager/debian