CVE-2021-41073

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-41073
loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

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/2021/09/18/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/4 Mailing List Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/
https://security.netapp.com/advisory/ntap-20211014-0003/ 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:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

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

Configuration 4 (hide)

OR cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
History

07 Nov 2023, 03:38

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/', 'name': 'FEDORA-2021-884d245ef8', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/', 'name': 'FEDORA-2021-e0d6215753', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/ -

08 Aug 2023, 14:22

Type Values Removed Values Added
CWE CWE-269 CWE-763

11 Jan 2023, 16:57

Type Values Removed Values Added
First Time Netapp solidfire Baseboard Management Controller
CPE cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
References (MLIST) http://www.openwall.com/lists/oss-security/2022/06/04/4 - (MLIST) http://www.openwall.com/lists/oss-security/2022/06/04/4 - Mailing List, Third Party Advisory

05 Jun 2022, 00:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2022/06/04/4 -

06 Apr 2022, 13:35

Type Values Removed Values Added
First Time Netapp h300e
Netapp h410s
Netapp h410c
Netapp h410s Firmware
Netapp h700s
Netapp
Netapp h410c Firmware
Fedoraproject fedora
Netapp h500e Firmware
Netapp h700e Firmware
Netapp h300e Firmware
Netapp h500s Firmware
Netapp cloud Backup
Netapp h300s Firmware
Netapp h700s Firmware
Netapp h500e
Netapp h700e
Netapp h500s
Netapp h300s
Fedoraproject
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/ - Mailing List, Third Party Advisory
References (CONFIRM) https://security.netapp.com/advisory/ntap-20211014-0003/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20211014-0003/ - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/ - Mailing List, Third Party Advisory
CPE cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

14 Oct 2021, 09:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211014-0003/ -

03 Oct 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/ -

02 Oct 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/ -

01 Oct 2021, 17:20

Type Values Removed Values Added
CWE CWE-269
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (DEBIAN) https://www.debian.org/security/2021/dsa-4978 - (DEBIAN) https://www.debian.org/security/2021/dsa-4978 - Third Party Advisory
References (MISC) http://www.openwall.com/lists/oss-security/2021/09/18/2 - (MISC) http://www.openwall.com/lists/oss-security/2021/09/18/2 - Mailing List, Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc - Patch, Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 7.2
v3 : 7.8

25 Sep 2021, 15:15

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

20 Sep 2021, 17:15

Type Values Removed Values Added
References
  • {'url': 'https://twitter.com/HenkPoley/status/1439877969548390400', 'name': 'https://twitter.com/HenkPoley/status/1439877969548390400', 'tags': [], 'refsource': 'MISC'}

20 Sep 2021, 14:15

Type Values Removed Values Added
References
  • (MISC) https://twitter.com/HenkPoley/status/1439877969548390400 -
Summary loop_rw_iter in fs/io_uring.c in the Linux kernel through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation. loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

19 Sep 2021, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-19 17:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-41073

Mitre link : CVE-2021-41073

CVE.ORG link : CVE-2021-41073

JSON object : View

Products Affected

netapp

  • h700s_firmware
  • h410s
  • h500e_firmware
  • cloud_backup
  • h500e
  • h700e_firmware
  • h300s
  • h700s
  • h300e
  • h700e
  • h410s_firmware
  • h500s
  • h300s_firmware
  • h410c
  • h500s_firmware
  • h300e_firmware
  • h410c_firmware
  • solidfire_baseboard_management_controller

debian

  • debian_linux

fedoraproject

  • fedora

linux

  • linux_kernel
CWE
CWE-763

Release of Invalid Pointer or Reference