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

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-416
CWE-362		 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
CPE cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:500f:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:500f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:*

04 Jun 2021, 12:33

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 6.9
v3 : 7.0
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://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 (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
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) 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 (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 (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
CPE cpe:2.3:o:linux:linux_kernel:5.9.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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 : 2024-02-04 21:47

NVD link : CVE-2020-25668

Mitre link : CVE-2020-25668

CVE.ORG link : CVE-2020-25668

JSON object : View

Products Affected

netapp

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

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-662

Improper Synchronization

CWE-362

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