CVE-2021-47319

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fix memory leak among suspend/resume procedure The vblk->vqs should be freed before we call init_vqs() in virtblk_restore().

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358	Patch
https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c	Patch
https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710	Patch
https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a	Patch
https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f	Patch
https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815	Patch
https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f	Patch
https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae	Patch
https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0	Patch
https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358	Patch
https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c	Patch
https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710	Patch
https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a	Patch
https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f	Patch
https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815	Patch
https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f	Patch
https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae	Patch
https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0	Patch

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

History

24 Dec 2024, 16:28

Type	Values Removed	Values Added
CPE		cpe:2.3:o:linux:linux_kernel::::::::
First Time		Linux Linux linux Kernel
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
References	~~() https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358 -~~	() https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358 - Patch
References	~~() https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c -~~	() https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c - Patch
References	~~() https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710 -~~	() https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710 - Patch
References	~~() https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a -~~	() https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a - Patch
References	~~() https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f -~~	() https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f - Patch
References	~~() https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815 -~~	() https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815 - Patch
References	~~() https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f -~~	() https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f - Patch
References	~~() https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae -~~	() https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae - Patch
References	~~() https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0 -~~	() https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0 - Patch
CWE		CWE-401

21 Nov 2024, 06:35

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: virtio-blk: corrige la pérdida de memoria entre el procedimiento de suspensión/reanudación. El vblk->vqs debe liberarse antes de llamar a init_vqs() en virtblk_restore().
References	~~() https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358 -~~	() https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358 -
References	~~() https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c -~~	() https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c -
References	~~() https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710 -~~	() https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710 -
References	~~() https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a -~~	() https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a -
References	~~() https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f -~~	() https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f -
References	~~() https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815 -~~	() https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815 -
References	~~() https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f -~~	() https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f -
References	~~() https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae -~~	() https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae -
References	~~() https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0 -~~	() https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0 -

21 May 2024, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-21 15:15

Updated : 2024-12-24 16:28

NVD link : CVE-2021-47319

Mitre link : CVE-2021-47319

CVE.ORG link : CVE-2021-47319

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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El vblk->vqs debe liberarse antes de llamar a init_vqs() en virtblk_restore()."}], "lastModified": "2024-12-24T16:28:05.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10282F37-B17F-4974-967E-FCD5ABC9AB8E", "versionEndExcluding": "4.4.276"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C79FFC06-9530-4CD7-B651-01D786CC925E", "versionEndExcluding": "4.9.276", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB359B2E-773D-4D52-9915-E07A47ABE72B", "versionEndExcluding": "4.14.240", "versionStartIncluding": "4.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B93AEDB9-C52B-4222-8F9A-882DAD9EF5B2", "versionEndExcluding": "4.19.198", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "508D9771-335F-44A6-9F2F-880DF1267A1F", "versionEndExcluding": "5.4.134", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C1E6FB6-53C8-4DC4-8AE5-93094BA39F62", "versionEndExcluding": "5.10.52", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "34C1A2F4-DD44-4CF1-8FD4-751A0D746A9E", "versionEndExcluding": "5.12.19", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F93FA3CC-0C79-410B-A7D7-245C2AA0723A", "versionEndExcluding": "5.13.4", "versionStartIncluding": "5.13"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}

5.5 /10