CVE-2023-52846

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

21/05/2024

Last modified:

31/12/2024

Description

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it&#39;s straight forward to fix bug by using the returned value.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.9 (including)	5.10.201 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.139 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.63 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.5.12 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.6 (including)	6.6.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-52846

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools