CVE-2020-25668

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-25668
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.

7.0 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
http://www.openwall.com/lists/oss-security/2020/10/30/1 Exploit Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/04/3 Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0005/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C
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:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*

Configuration 5 (hide)

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

Configuration 6 (hide)

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

Configuration 7 (hide)

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

Configuration 8 (hide)

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

Configuration 9 (hide)

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

Configuration 10 (hide)

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

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:a250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:netapp:500f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:500f:-:*:*:*:*:*:*:*
History

07 Nov 2023, 03:20

Type Values Removed Values Added
References
  • {'url': 'https://www.openwall.com/lists/oss-security/2020/10/30/1,', 'name': 'https://www.openwall.com/lists/oss-security/2020/10/30/1,', 'tags': ['Exploit', 'Mailing List', 'Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1893287,', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1893287,', 'tags': ['Broken Link', 'Issue Tracking'], 'refsource': 'MISC'}
  • {'url': 'https://www.openwall.com/lists/oss-security/2020/11/04/3,', 'name': 'https://www.openwall.com/lists/oss-security/2020/11/04/3,', 'tags': ['Exploit', 'Mailing List', 'Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • () https://www.openwall.com/lists/oss-security/2020/11/04/3%2C -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C -
  • () https://www.openwall.com/lists/oss-security/2020/10/30/1%2C -

28 Jul 2023, 19:39

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.9.2:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

05 Aug 2022, 15:59

Type Values Removed Values Added
CWE CWE-362
CWE-416		 CWE-662

13 May 2022, 19:45

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210702-0005/ - Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1893287, - Broken Link (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1893287, - Broken Link, Issue Tracking
First Time Netapp 500f
Netapp h300e Firmware
Netapp h410s Firmware
Netapp solidfire \& Hci Management Node
Netapp h410c Firmware
Netapp
Netapp h500s Firmware
Netapp 500f Firmware
Netapp h700s
Netapp h500e Firmware
Netapp solidfire Baseboard Management Controller
Netapp h700e
Netapp h300e
Netapp cloud Backup
Netapp h700e Firmware
Netapp a250
Netapp h300s Firmware
Netapp h410c
Netapp h700s Firmware
Netapp h500s
Netapp a250 Firmware
Netapp h500e
Netapp h300s
Netapp h410s
Netapp solidfire Baseboard Management Controller Firmware
CPE cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:500f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:500f:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

04 Jun 2021, 12:33

Type Values Removed Values Added
References (MLIST) http://www.openwall.com/lists/oss-security/2020/11/04/3 - (MLIST) http://www.openwall.com/lists/oss-security/2020/11/04/3 - Exploit, Mailing List, Patch, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2020/10/30/1 - (MLIST) http://www.openwall.com/lists/oss-security/2020/10/30/1 - Exploit, Mailing List, Patch, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1893287, - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1893287, - Broken Link
References (MISC) https://www.openwall.com/lists/oss-security/2020/10/30/1, - (MISC) https://www.openwall.com/lists/oss-security/2020/10/30/1, - Exploit, Mailing List, Patch, Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 - Mailing List, Patch, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - Mailing List, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html - Mailing List, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2020/11/04/3, - (MISC) https://www.openwall.com/lists/oss-security/2020/11/04/3, - Exploit, Mailing List, Patch, Third Party Advisory
CPE cpe:2.3:o:linux:linux_kernel:5.9.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 6.9
v3 : 7.0

26 May 2021, 12:44

Type Values Removed Values Added
CWE CWE-362
CWE-416

26 May 2021, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-26 12:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-25668

Mitre link : CVE-2020-25668

CVE.ORG link : CVE-2020-25668

JSON object : View

Products Affected

netapp

  • h700e
  • h700s_firmware
  • h500s_firmware
  • solidfire_baseboard_management_controller_firmware
  • h700s
  • cloud_backup
  • h700e_firmware
  • h410c_firmware
  • solidfire_\&_hci_management_node
  • solidfire_baseboard_management_controller
  • h300e_firmware
  • 500f_firmware
  • h300s_firmware
  • h500e_firmware
  • h410c
  • h500s
  • a250_firmware
  • h410s_firmware
  • h300e
  • a250
  • h410s
  • h300s
  • 500f
  • h500e

linux

  • linux_kernel

debian

  • debian_linux
CWE
CWE-662

Improper Synchronization

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')