PT-2025-8312 · Linux+4 · Linux Kernel+4

Tianhao Zhao · Published 2022-05-29 · Updated 2025-09-29 · CVE-2022-49378

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 A vulnerability in the Linux kernel has been resolved. The issue occurred when the modparam efx separate tx channels=1 was used, causing some channels to only have RX queues and others only TX queues. The function efx channel has tx queues has been fixed to return the correct value for this case. Before the fix, error messages were shown at probe time and remove time, indicating failures to initialize TXQ and flush queues.

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

Exploit

Improper Initialization

Weakness Enumeration

CWE-665

Related Identifiers

ALSA-2025_16880

BDU:2026-04035

CESA-2022_7683

CVE-2022-49378

RHSA-2022:7683

RHSA-2022:8267

RHSA-2022_7683

RHSA-2022_8267

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 1337

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49378.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49378 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49378 · Vendor Advisory
• https://git.kernel.org/stable/c/913d45f02d346ce41c4aad057eaf53a8ed449dc3 · Patch
• https://git.kernel.org/stable/c/2e102b53f8a778f872dc137f4c7ac548705817aa · Patch
• https://ubuntu.com/security/CVE-2022-49378 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e7e8d5e25dc762b70f9c88ec6b7d451d0816eead · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49378 · Security Note
• https://git.kernel.org/stable/c/8f81a4113e1e574d2cbde4f2cd599380a9189c0f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49378 · Vendor Advisory
• https://git.kernel.org/stable/c/5567d69b95b9c07e1c56f15cf0301251d12e5f97 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49378 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory