CVE-2022-26878
Summary
| CVE | CVE-2022-26878 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-03-11 07:15:08 UTC |
| Updated | 2026-10-08 22:17:19 UTC |
| Description | 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). |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-401 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:L/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - CVE-2022-26878: Memory leak in Linux VirtIO Bluetooth driver | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Patch, Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch, Vendor Advisory |
| cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17 | af854a3a-2127-422b-91ae-364da2661108 | cdn.kernel.org | Release Notes, Vendor Advisory |
| cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3 | af854a3a-2127-422b-91ae-364da2661108 | cdn.kernel.org | Release Notes, Vendor Advisory |
| Re: [PATCH v2] Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle() - Marcel Holtmann | af854a3a-2127-422b-91ae-364da2661108 | lore.kernel.org | Patch |
| Re: [PATCH v2] Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle() - Marcel Holtmann | MITRE | lore.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 184023 Debian Security Update for linux (CVE-2022-26878)
- 198745 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5383-1)
- 900765 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9054)
- 901310 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9054-1)
- 901694 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9066-1)
- 906013 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9054-2)
- 906407 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9066-2)