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Vulnerability Details :

CVE-2020-29368

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-28 Nov, 2020 | 06:20

Updated At-04 Aug, 2024 | 16:48

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:mitre

Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At:28 Nov, 2020 | 06:20

Updated At:04 Aug, 2024 | 16:48

▼CVE Numbering Authority (CNA)

Affected Products

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5	x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040	x_refsource_MISC
https://bugs.chromium.org/p/project-zero/issues/detail?id=2045	x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210108-0002/	x_refsource_CONFIRM

Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5

Resource:

x_refsource_MISC

Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040

Resource:

x_refsource_MISC

Hyperlink: https://bugs.chromium.org/p/project-zero/issues/detail?id=2045

Resource:

x_refsource_MISC

Hyperlink: https://security.netapp.com/advisory/ntap-20210108-0002/

Resource:

x_refsource_CONFIRM

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5	x_refsource_MISC x_transferred
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040	x_refsource_MISC x_transferred
https://bugs.chromium.org/p/project-zero/issues/detail?id=2045	x_refsource_MISC x_transferred
https://security.netapp.com/advisory/ntap-20210108-0002/	x_refsource_CONFIRM x_transferred

Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://bugs.chromium.org/p/project-zero/issues/detail?id=2045

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://security.netapp.com/advisory/ntap-20210108-0002/

Resource:

x_refsource_CONFIRM

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:cve@mitre.org

Published At:28 Nov, 2020 | 07:15

Updated At:15 Feb, 2024 | 15:56

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C

Type: Primary

Version: 3.1

Base score: 7.0

Base severity: HIGH

Vector:

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Type: Primary

Version: 2.0

Base score: 6.9

Base severity: MEDIUM

Vector:

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

CPE Matches

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 4.5.5(inclusive) to 4.9.228(exclusive)

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

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 4.10(inclusive) to 4.14.185(exclusive)

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

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 4.15(inclusive) to 4.19.129(exclusive)

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

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 4.20(inclusive) to 5.4.48(exclusive)

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

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 5.5(inclusive) to 5.7.5(exclusive)

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

NetApp, Inc.

>>cloud_backup>>-

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

NetApp, Inc.

>>element_software>>-

cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*

NetApp, Inc.

>>hci_management_node>>-

cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*

NetApp, Inc.

>>solidfire>>-

cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*

NetApp, Inc.

>>hci_compute_node>>-

cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

NetApp, Inc.

>>hci_bootstrap_os>>-

cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*

NetApp, Inc.

>>h410c>>-

cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

NetApp, Inc.

>>h410c_firmware>>-

cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-362	Primary	nvd@nist.gov

CWE ID: CWE-362

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=2045	cve@mitre.org	Exploit Issue Tracking Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5	cve@mitre.org	Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040	cve@mitre.org	Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210108-0002/	cve@mitre.org	Third Party Advisory

Hyperlink: https://bugs.chromium.org/p/project-zero/issues/detail?id=2045

Source: cve@mitre.org

Resource:

Exploit

Issue Tracking

Patch

Third Party Advisory

Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5

Source: cve@mitre.org

Resource:

Release Notes

Vendor Advisory

Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040

Source: cve@mitre.org

Resource:

Patch

Vendor Advisory

Hyperlink: https://security.netapp.com/advisory/ntap-20210108-0002/

Source: cve@mitre.org

Resource:

Third Party Advisory

CVE-2020-29368

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