Home > Vulnerability Database > CVE-2021-37576

Mend.io Vulnerability Database

New vulnerability? Tell us about it!

CVE-2021-37576

Date: July 26, 2021

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.

Severity Score

7.8

Related Resources (15)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-37576

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/

Url: https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf%40mpe.ellerman.id.au/T/#u

Url: https://security.netapp.com/advisory/ntap-20210917-0005/

Url: http://www.openwall.com/lists/oss-security/2021/07/27/2

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/

Url: https://security-tracker.debian.org/tracker/CVE-2021-37576

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/

Url: https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-37576

Url: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a

Url: https://access.redhat.com/security/cve/CVE-2021-37576

Url: https://www.debian.org/security/2021/dsa-4978

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/

Url: https://www.mend.io/vulnerability-database/CVE-2021-37576

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Do you need more information?

Contact Us