CVE-2024-47737

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

21/10/2024

Last modified:

12/05/2026

Description

In the Linux kernel, the following vulnerability has been resolved: nfsd: call cache_put if xdr_reserve_space returns NULL If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Reviwed-by: Jeff Layton

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::::::::	3.16 (including)	5.10.227 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.168 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.113 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.54 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.10.13 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.11 (including)	6.11.2 (excluding)

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

CVE-2024-47737

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools