CVE-2025-21997

Severity CVSS v4.0:

Pending analysis

Type:

CWE-190 Integer Overflow or Wraparound

Publication date:

03/04/2025

Last modified:

03/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xp_create_and_assign_umem() Since the i and pool->chunk_size variables are of type &#39;u32&#39;, their product can wrap around and then be cast to &#39;u64&#39;. This can lead to two different XDP buffers pointing to the same memory area. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

Impact

Vector 3.x

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.132 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.85 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.21 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.13.9 (excluding)
cpe:2.3:o:linux:linux_kernel:6.14:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc6::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc7::::::

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

CVE-2025-21997

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools