PT-2025-18844 · Linux+3 · Linux Kernel+3

Published 2023-03-08 · Updated 2026-01-28 · CVE-2023-53080

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 is related to a missing overflow check in xdp umem reg, which can cause the number of chunks to overflow u32. This requires returning -EINVAL on overflow. Additionally, a redundant u32 cast has been removed when assigning umem->npgs.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2026-05790

CVE-2023-53080

SUSE-SU-2025:01983-1

SUSE-SU-2025_01983-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 378

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53080.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-53080 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53080 · Vendor Advisory
• https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1d · Patch
• https://bdu.fstec.ru/vul/2026-05790 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53080 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53080 · Vendor Advisory
• https://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67f · Patch
• https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7e · Patch
• https://cve.org/CVERecord?id=CVE-2023-53080 · Security Note
• https://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601 · Patch
• https://ubuntu.com/security/CVE-2023-53080 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01983-1 · Vendor Advisory
• https://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53080 · Vendor Advisory