CVE-2021-37576: Input Validation
First published: Fri Jul 23 2021(Updated: )
A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtas_args.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <0:3.10.0-1160.45.1.el7 | 0:3.10.0-1160.45.1.el7 |
| redhat/kernel | <0:3.10.0-514.93.1.el7 | 0:3.10.0-514.93.1.el7 |
| redhat/kernel | <0:3.10.0-693.94.1.el7 | 0:3.10.0-693.94.1.el7 |
| redhat/kernel | <0:3.10.0-957.84.1.el7 | 0:3.10.0-957.84.1.el7 |
| redhat/kernel | <0:3.10.0-1062.59.1.el7 | 0:3.10.0-1062.59.1.el7 |
| redhat/kernel | <0:4.18.0-305.17.1.el8_4 | 0:4.18.0-305.17.1.el8_4 |
| redhat/kernel | <0:4.18.0-147.54.2.el8_1 | 0:4.18.0-147.54.2.el8_1 |
| redhat/kernel | <0:4.18.0-193.65.2.el8_2 | 0:4.18.0-193.65.2.el8_2 |
| Linux Linux kernel | >=3.10<4.4.277 | |
| Linux Linux kernel | >=4.5<4.9.277 | |
| Linux Linux kernel | >=4.10<4.14.241 | |
| Linux Linux kernel | >=4.15<4.19.199 | |
| Linux Linux kernel | >=4.20<5.4.136 | |
| Linux Linux kernel | >=5.5<5.10.54 | |
| Linux Linux kernel | >=5.11<5.13.6 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| redhat/kernel 5.14 | <4 | 4 |
| 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
Mitigation for this issue is either not available or the currently available options does not 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://www.cve.org/CVERecord?id=CVE-2021-37576 https://nvd.nist.gov/vuln/detail/CVE-2021-37576 https://www.openwall.com/lists/oss-security/2021/07/26/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1986506
- https://access.redhat.com/errata/RHSA-2021:3768
- https://access.redhat.com/errata/RHSA-2021:3801
- https://access.redhat.com/errata/RHSA-2021:3766
- https://access.redhat.com/errata/RHSA-2021:3725
- https://access.redhat.com/errata/RHSA-2021:3812
- https://access.redhat.com/errata/RHSA-2021:3814
- https://access.redhat.com/errata/RHSA-2021:3987
- https://access.redhat.com/errata/RHSA-2021:4000
- https://access.redhat.com/errata/RHSA-2021:3436
- https://access.redhat.com/errata/RHSA-2021:3447
- https://access.redhat.com/errata/RHSA-2021:3442
- https://access.redhat.com/errata/RHSA-2021:3444
- https://access.redhat.com/errata/RHSA-2021:3443
- https://access.redhat.com/errata/RHSA-2021:3446
- https://access.redhat.com/security/cve/cve-2021-37576
- http://www.openwall.com/lists/oss-security/2021/07/27/2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/
- https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u
- https://security.netapp.com/advisory/ntap-20210917-0005/
- https://www.debian.org/security/2021/dsa-4978
- https://launchpad.net/bugs/cve/CVE-2021-37576
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1986507
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/
- https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf%40mpe.ellerman.id.au/T/#u
- https://git.kernel.org/linus/f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a
- https://security-tracker.debian.org/tracker/CVE-2021-37576
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37576
- https://nvd.nist.gov/vuln/detail/CVE-2021-37576
- https://ubuntu.com/security/CVE-2021-37576
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- collector/launchpad-cve
- source/Launchpad
- agent/first-publish-date
- agent/type
- agent/author
- agent/remedy
- agent/weakness
- agent/severity
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-37576
- agent/software-canonical-lookup
- collector/nvd-cve
- source/NVD
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/3.10
- version/linux linux kernel/4.5
- version/linux linux kernel/4.10
- version/linux linux kernel/4.15
- version/linux linux kernel/4.20
- version/linux linux kernel/5.5
- version/linux linux kernel/5.11
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- package-manager/debian