CVE-2021-45868

In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.kernel.org/show_bug.cgi?id=214655	Exploit Issue Tracking Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3	Mailing List Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050	Mailing List Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20220419-0003/	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/03/17/1	Exploit Mailing List Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/03/17/2	Exploit Mailing List Patch Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=214655	Exploit Issue Tracking Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3	Mailing List Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050	Mailing List Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20220419-0003/	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/03/17/1	Exploit Mailing List Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/03/17/2	Exploit Mailing List Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

AND

cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

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

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

Configuration 9 (hide)

AND

cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:33

Type	Values Removed	Values Added
References	~~() https://bugzilla.kernel.org/show_bug.cgi?id=214655 - Exploit, Issue Tracking, Vendor Advisory~~	() https://bugzilla.kernel.org/show_bug.cgi?id=214655 - Exploit, Issue Tracking, Vendor Advisory
References	~~() https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 - Mailing List, Release Notes, Vendor Advisory~~	() https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 - Mailing List, Release Notes, Vendor Advisory
References	~~() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 - Mailing List, Patch, Vendor Advisory~~	() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 - Mailing List, Patch, Vendor Advisory
References	~~() https://security.netapp.com/advisory/ntap-20220419-0003/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20220419-0003/ - Third Party Advisory
References	~~() https://www.openwall.com/lists/oss-security/2022/03/17/1 - Exploit, Mailing List, Patch, Third Party Advisory~~	() https://www.openwall.com/lists/oss-security/2022/03/17/1 - Exploit, Mailing List, Patch, Third Party Advisory
References	~~() https://www.openwall.com/lists/oss-security/2022/03/17/2 - Exploit, Mailing List, Patch, Third Party Advisory~~	() https://www.openwall.com/lists/oss-security/2022/03/17/2 - Exploit, Mailing List, Patch, Third Party Advisory

Information

Published : 2022-03-18 07:15

Updated : 2024-11-21 06:33

NVD link : CVE-2021-45868

Mitre link : CVE-2021-45868

CVE.ORG link : CVE-2021-45868

JSON object : View

Products Affected

netapp

h300e
h700s_firmware
h410s_firmware
h500e
h700s
h500e_firmware
h700e_firmware
h410s
h500s
h410c
h300s
h410c_firmware
h300s_firmware
h500s_firmware
h300e_firmware
h700e

linux

linux_kernel

CWE

CWE-416

Use After Free

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This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file."}, {"lang": "es", "value": "En el kernel de Linux versiones anteriores a 5.15.3, el archivo fs/quota/quota_tree.c no comprueba el n\u00famero de bloque en el \u00e1rbol de cuotas (en disco). Esto puede, por ejemplo, conllevar a un uso de memoria previamente liberada del archivo kernel/locking/rwsem.c si se presenta un archivo de cuotas corrupto"}], "lastModified": "2024-11-21T06:33:10.797", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CEAFF076-B22B-4EC1-BBFE-58641EF7705F", "versionEndExcluding": "5.15.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}

5.5 /10

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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5.5^/10

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