CVE-2021-37576

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-37576
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/07/27/2 Exploit Mailing List Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a Patch Vendor Advisory
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://security.netapp.com/advisory/ntap-20210917-0005/ Third Party Advisory
https://www.debian.org/security/2021/dsa-4978 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
History

07 Nov 2023, 03:36

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/', 'name': 'FEDORA-2021-12618d9b08', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u', 'name': 'https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u', 'tags': ['Exploit', 'Mailing List', 'Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/', 'name': 'FEDORA-2021-817b3d47d2', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () 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 -

18 Oct 2021, 11:55

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20210917-0005/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20210917-0005/ - Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4978 - (DEBIAN) https://www.debian.org/security/2021/dsa-4978 - Third Party Advisory

25 Sep 2021, 15:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4978 -

17 Sep 2021, 22:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210917-0005/ -

05 Aug 2021, 18:09

Type Values Removed Values Added
CWE CWE-787
CVSS v2 : unknown
v3 : unknown 		v2 : 7.2
v3 : 7.8
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/ - Mailing List, Third Party Advisory
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/ - Mailing List, Third Party Advisory
References (MISC) https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u - (MISC) https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u - Exploit, Mailing List, Patch, Vendor Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a - Patch, Vendor Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/07/27/2 - (MLIST) http://www.openwall.com/lists/oss-security/2021/07/27/2 - Exploit, Mailing List, Patch, Third Party Advisory
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

02 Aug 2021, 03:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/07/27/2 -

26 Jul 2021, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-26 22:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-37576

Mitre link : CVE-2021-37576

CVE.ORG link : CVE-2021-37576

JSON object : View

Products Affected

linux

  • linux_kernel

fedoraproject

  • fedora
CWE
CWE-787

Out-of-bounds Write