CVE Vulnerability

CVE-2021-43389

An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : 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://lore.kernel.org/netdev/CAFcO6XOvGQrRTaTkaJ0p3zR7y7nrAWD79r48=L_BbOyrK9X-vA@mail.gmail.com/ Exploit Mailing List
https://seclists.org/oss-sec/2021/q4/39 Exploit Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1f3e2e97c003f80c4b087092b225c8787ff91e4d Mailing List Patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15 Mailing List Release Notes
https://bugzilla.redhat.com/show_bug.cgi?id=2013180 Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2021/11/05/1 Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5096 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*
Information

Published : 2021-11-04 07:15

Updated : 2023-02-24 03:09

NVD link : CVE-2021-43389

Mitre link : CVE-2021-43389

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read