PT-2025-8603 · Linux+5 · Linux Kernel+5

Tao Liu · Published 2025-02-26 · Updated 2025-11-12 · CVE-2022-49670

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 divide by zero error has been fixed in the Linux kernel, specifically in the rdma dim stats compare() function when prev->cpe ratio equals 0. This issue is related to the RDMA DIM (Remote Direct Memory Access Device-Specific Interface for Memory) functionality. The error occurs due to a division by zero in the backport rdma dim function.

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

Exploit

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

ALSA-2025:20518

CVE-2022-49670

INFSA-2025_20518

OPENSUSE-SU-2025_1263-1

RHSA-2025:20518

RHSA-2025_20518

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

Affected Products

Almalinux

Astra Linux

Linux Kernel

Red Hat

Rocky Linux

Suse

References · 1570

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49670.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:1263-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49670 · Security Note
• https://errata.almalinux.org/9/ALSA-2025-20518.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2025-20518-0.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49670 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49670 · Vendor Advisory
• https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069 · Patch
• https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95 · Patch
• https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e · Patch
• https://osv.dev/vulnerability/ALSA-2025:20518 · Vendor Advisory
• https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49670 · Security Note