PT-2024-11107 · Linux+1 · Linux Kernel+1

Colin Ian King · Published 2021-04-20 · Updated 2024-12-09 · CVE-2021-47003

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a potential null dereference on a pointer status in the Linux kernel's dmaengine: idxd component. There are calls to idxd cmd exec that pass a null status pointer, and a recent commit has added an assignment to *status that can end up with a null pointer dereference. The function expects a null status pointer sometimes, as there is a later assignment to *status where status is first null checked. The issue is fixed by null checking status before making the assignment.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-06533

CVE-2021-47003

OPENSUSE-SU-2024_1489-1

SUSE-SU-2024:1465-1

SUSE-SU-2024:1489-1

Affected Products

Linux Kernel

Suse

References · 347

• https://ubuntu.com/security/CVE-2021-47003 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47003 · Vendor Advisory
• https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47003 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:1489-1 · Vendor Advisory
• https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47003 · Vendor Advisory
• https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120 · Patch
• https://cve.org/CVERecord?id=CVE-2021-47003 · Security Note
• https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9 · Patch
• https://osv.dev/vulnerability/CVE-2021-47003 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47003 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1465-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-06533 · Security Note
• https://bugzilla.suse.com/1221990 · Note