CVE-2021-47319

virtio-blk: Fix memory leak among suspend/resume procedure

Severity Score

"-"

*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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().

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().

*Credits: N/A

CVSS Scores

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-21 CVE Reserved
2024-05-21 CVE Published
2024-05-22 EPSS Updated
2024-11-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/381bde79d11e596002edfd914e6714291826967a	2021-07-20
https://git.kernel.org/stable/c/102d6bc6475ab09bab579c18704e6cf8d898e93c	2021-07-20
https://git.kernel.org/stable/c/863da837964c80c72e368a4f748c30d25daa1815	2021-07-20
https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f	2021-07-20
https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358	2021-07-20
https://git.kernel.org/stable/c/cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0	2021-07-20
https://git.kernel.org/stable/c/ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae	2021-07-20
https://git.kernel.org/stable/c/29a2f4a3214aa14d61cc9737c9f886dae9dbb710	2021-07-20
https://git.kernel.org/stable/c/b71ba22e7c6c6b279c66f53ee7818709774efa1f	2021-07-03

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.4.276 Search vendor "Linux" for product "Linux Kernel" and version " < 4.4.276"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.9.276 Search vendor "Linux" for product "Linux Kernel" and version " < 4.9.276"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.14.240 Search vendor "Linux" for product "Linux Kernel" and version " < 4.14.240"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.19.198 Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.198"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.134 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.134"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.52 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.52"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.12.19 Search vendor "Linux" for product "Linux Kernel" and version " < 5.12.19"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.13.4 Search vendor "Linux" for product "Linux Kernel" and version " < 5.13.4"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.14 Search vendor "Linux" for product "Linux Kernel" and version " < 5.14"		en		Affected