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CVE-2020-25668 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7 HIGHVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C	CVE
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220	CVE	Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html	CVE	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0005/	CVE	Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C	CVE
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C	CVE
http://www.openwall.com/lists/oss-security/2020/10/30/1	CVE	ExploitMailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/04/3	CVE	ExploitMailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C	[email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220	[email protected]	Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html	[email protected]	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0005/	[email protected]	Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C	[email protected]
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C	[email protected]
http://www.openwall.com/lists/oss-security/2020/10/30/1	[email protected]	ExploitMailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/04/3	[email protected]	ExploitMailing ListPatchThird Party Advisory

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-662	Improper Synchronization	[email protected]
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]

Affected Products

Product	Versions
linux linux kernel	< 4.4.242 >= 4.5, < 4.9.242 >= 4.10, < 4.14.204 >= 4.15, < 4.19.155 >= 4.20, < 5.4.75
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
debian debian linux	9.0
CPE cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.
netapp cloud backup	All versions
CPE cpe:2.3:a:netapp:cloud_backup:-:::::::* Remediation No remediation found in references.
netapp solidfire & hci management node	All versions
CPE cpe:2.3:a:netapp:solidfire_&_hci_management_node:-:::::::* Remediation No remediation found in references.
netapp solidfire baseboard management controller firmware	All versions
CPE cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:::::::* Remediation No remediation found in references.
netapp solidfire baseboard management controller	All versions
CPE cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:::::::* Remediation No remediation found in references.
netapp h410c firmware	All versions
CPE cpe:2.3:o:netapp:h410c_firmware:-:::::::* Remediation No remediation found in references.
netapp h410c	All versions
CPE cpe:2.3:h:netapp:h410c:-:::::::* Remediation No remediation found in references.
netapp h300s firmware	All versions
CPE cpe:2.3:o:netapp:h300s_firmware:-:::::::* Remediation No remediation found in references.
netapp h300s	All versions
CPE cpe:2.3:h:netapp:h300s:-:::::::* Remediation No remediation found in references.
netapp h500s firmware	All versions
CPE cpe:2.3:o:netapp:h500s_firmware:-:::::::* Remediation No remediation found in references.
netapp h500s	All versions
CPE cpe:2.3:h:netapp:h500s:-:::::::* Remediation No remediation found in references.
netapp h700s firmware	All versions
CPE cpe:2.3:o:netapp:h700s_firmware:-:::::::* Remediation No remediation found in references.
netapp h700s	All versions
CPE cpe:2.3:h:netapp:h700s:-:::::::* Remediation No remediation found in references.
netapp h300e firmware	All versions
CPE cpe:2.3:o:netapp:h300e_firmware:-:::::::* Remediation No remediation found in references.
netapp h300e	All versions
CPE cpe:2.3:h:netapp:h300e:-:::::::* Remediation No remediation found in references.
netapp h500e firmware	All versions
CPE cpe:2.3:o:netapp:h500e_firmware:-:::::::* Remediation No remediation found in references.
netapp h500e	All versions
CPE cpe:2.3:h:netapp:h500e:-:::::::* Remediation No remediation found in references.
netapp h700e firmware	All versions
CPE cpe:2.3:o:netapp:h700e_firmware:-:::::::* Remediation No remediation found in references.
netapp h700e	All versions
CPE cpe:2.3:h:netapp:h700e:-:::::::* Remediation No remediation found in references.
netapp h410s firmware	All versions
CPE cpe:2.3:o:netapp:h410s_firmware:-:::::::* Remediation No remediation found in references.
netapp h410s	All versions
CPE cpe:2.3:h:netapp:h410s:-:::::::* Remediation No remediation found in references.
netapp a250 firmware	All versions
CPE cpe:2.3:o:netapp:a250_firmware:-:::::::* Remediation No remediation found in references.
netapp a250	All versions
CPE cpe:2.3:h:netapp:a250:-:::::::* Remediation No remediation found in references.
netapp 500f firmware	All versions
CPE cpe:2.3:o:netapp:500f_firmware:-:::::::* Remediation No remediation found in references.
netapp 500f	All versions
CPE cpe:2.3:h:netapp:500f:-:::::::* Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Oct 5, 2023	Reanalysis	[email protected]
Jul 28, 2023	Reanalysis	[email protected]
Aug 5, 2022	Reanalysis	[email protected]
May 13, 2022	Modified Analysis	[email protected]
Jul 2, 2021	CVE Modified	[email protected]
Jun 4, 2021	Initial Analysis	[email protected]

CVE-2020-25668 Details

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