Vulnerability Name:

CVE-2022-26878 (CCN-221587)

Assigned:2022-03-11
Published:2022-03-11
Updated:2022-03-22
Summary: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).
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-772
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-26878

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20220311 CVE-2022-26878: Memory leak in Linux VirtIO Bluetooth driver

Source: MISC
Type: Release Notes, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17

Source: MISC
Type: Release Notes, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3

Source: XF
Type: UNKNOWN
linux-kernel-cve202226878-dos(221587)

Source: CCN
Type: Linux Kernel GIT Repository
Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle()

Source: MISC
Type: Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18

Source: MISC
Type: Vendor Advisory
https://lore.kernel.org/linux-bluetooth/1A203F5E-FB5E-430C-BEA3-86B191D69D58@holtmann.org/

Source: CCN
Type: oss-sec Mailing List, Fri, 11 Mar 2022 12:16:35 +0100
CVE-2022-26878: Memory leak in Linux VirtIO Bluetooth driver

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 5.16.3)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.13:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:5.15:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:5.16:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8029
    P
    		kernel-docs-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:8090
    P
    		reiserfs-kmp-default-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7539
    P
    		kernel-64kb-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3567
    P
    		libXtst6-1.2.2-7.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3398
    P
    		wpa_supplicant-2.6-15.10.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3448
    P
    		busybox-1.21.1-3.3 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3453
    P
    		clamav-0.101.3-1.19 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95078
    P
    		reiserfs-kmp-default-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:2960
    P
    		kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95083
    P
    		kernel-azure-5.14.21-150400.12.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94590
    P
    		kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95197
    P
    		kernel-default-extra-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95028
    P
    		kernel-docs-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    BACK
    linux linux kernel *
    linux linux kernel 5.13 -
    linux linux kernel 5.14 -
    linux linux kernel 5.15 -
    linux linux kernel 5.16 -