CVE-2020-29369

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

CVSS v3 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

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/2021/02/10/6	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/19/8	Mailing List Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2056	Exploit Issue Tracking Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11	Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c	Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210115-0001/	Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/10/6	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/19/8	Mailing List Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2056	Exploit Issue Tracking Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11	Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c	Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210115-0001/	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)

OR	cpe:2.3:a:netapp:hci_management_node:-:::::::*
	cpe:2.3:a:netapp:solidfire:-:::::::*
	cpe:2.3:h:netapp:hci_compute_node:-:::::::*
	cpe:2.3:h:netapp:hci_storage_node:-:::::::*

History

21 Nov 2024, 05:23

Type	Values Removed	Values Added
References	~~() http://www.openwall.com/lists/oss-security/2021/02/10/6 - Mailing List, Patch, Third Party Advisory~~	() http://www.openwall.com/lists/oss-security/2021/02/10/6 - Mailing List, Patch, Third Party Advisory
References	~~() http://www.openwall.com/lists/oss-security/2021/02/19/8 - Mailing List, Patch, Third Party Advisory~~	() http://www.openwall.com/lists/oss-security/2021/02/19/8 - Mailing List, Patch, Third Party Advisory
References	~~() https://bugs.chromium.org/p/project-zero/issues/detail?id=2056 - Exploit, Issue Tracking, Patch, Third Party Advisory~~	() https://bugs.chromium.org/p/project-zero/issues/detail?id=2056 - Exploit, Issue Tracking, Patch, Third Party Advisory
References	~~() https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 - Release Notes, Vendor Advisory~~	() https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 - Release Notes, Vendor Advisory
References	~~() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c - Patch, Vendor Advisory~~	() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c - Patch, Vendor Advisory
References	~~() https://security.netapp.com/advisory/ntap-20210115-0001/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20210115-0001/ - Third Party Advisory

Information

Published : 2020-11-28 07:15

Updated : 2024-11-21 05:23

NVD link : CVE-2020-29369

Mitre link : CVE-2020-29369

CVE.ORG link : CVE-2020-29369

JSON object : View

Products Affected

netapp

hci_management_node
hci_compute_node
hci_storage_node
solidfire

linux

linux_kernel

CWE

CWE-362

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

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Se presenta una condici\u00f3n de carrera entre determinadas funciones expand (expand_downwards y expand_upwards) y operaciones de liberaci\u00f3n de page-table de una llamada munmap, tambi\u00e9n se conoce como CID-246c320a8cfe"}], "lastModified": "2024-11-21T05:23:55.623", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C71BFD4A-2DEA-4D11-9377-844917036DA6", "versionEndExcluding": "5.4.54", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F1EFE18-1606-441B-B25C-6A6DF5D9153A", "versionEndExcluding": "5.7.11", "versionStartIncluding": "5.5"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3C19813-E823-456A-B1CE-EC0684CE1953"}, {"criteria": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737"}, {"criteria": "cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD7447BC-F315-4298-A822-549942FC118B"}, {"criteria": "cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02DEB4FB-A21D-4CB1-B522-EEE5093E8521"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

7.0 /10