CVE-2024-26632

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

18/03/2024

Last modified:

03/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bio_for_each_folio_all If the bio contains no data, bio_first_folio() calls page_folio() on a NULL pointer and oopses. Move the test that we&#39;ve reached the end of the bio from bio_next_folio() to bio_first_folio(). [axboe: add unlikely() to error case]

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::::::::	5.17 (including)	6.1.75 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.14 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.7.2 (excluding)

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

CVE-2024-26632

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools