CVE-2022-26878 : drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory lea

drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).

Published 2022-03-11 07:15:08

Updated 2025-05-05 14:12:37

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2022-26878

Linux » Linux Kernel
Versions from including (>=) 5.13 and before (<) 5.15.17
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.16 and before (<) 5.16.3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 24 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Assigned by: nvd@nist.gov (Primary)
CWE-772 Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Assigned by: nvd@nist.gov (Primary)

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