CVE-2021-43389medium
Description
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.
References
https://lore.kernel.org/netdev/[email protected]om/
https://seclists.org/oss-sec/2021/q4/39
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
https://bugzilla.redhat.com/show_bug.cgi?id=2013180
http://www.openwall.com/lists/oss-security/2021/11/05/1
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://www.debian.org/security/2022/dsa-5096
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Details
Source: MITRE
Published: 2021-11-04
Updated: 2022-07-25
Type: CWE-125
Risk Information
CVSS v2
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM