PT-2024-11769 · Linux+2 · Linux Kernel+2

Tianhao Zhao · Published 2022-09-15 · Updated 2026-05-26 · CVE-2022-48646

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

AV:L/AC:L/PR:N/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 null pointer dereference in the efx hard start xmit function within the sfc/siena component of the Linux kernel. This could potentially lead to a null pointer dereference, although it is considered unlikely. The fix prevents this potential issue, similar to a previous patch for the sfc component.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-14243

CVE-2022-48646

OPENSUSE-SU-2024_1644-1

OPENSUSE-SU-2024_1659-1

OPENSUSE-SU-2024_1663-1

SUSE-SU-2024:1644-1

SUSE-SU-2024:1659-1

SUSE-SU-2024:1663-1

Affected Products

Debian

Linux Kernel

Suse

References · 540

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48646.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2024:1659-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-48646 · Vendor Advisory
• https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a · Patch
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-48646 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1644-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-48646 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-48646 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-48646 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-48646 · Security Note
• https://ubuntu.com/security/CVE-2022-48646 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-48646 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14243 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-48646 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1663-1 · Vendor Advisory