PT-2025-54010 · Linux+2 · Linux Kernel+2

CVE-2023-54181 · Published 2023-01-01 · Updated 2026-07-14

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 versions prior to 6.1.y

Description The Linux kernel contains an issue in the bpf verifier related to pointer comparisons. Specifically, the verifier incorrectly flagged comparisons of packet pointers as potential pointer leaks. This occurred after capabilities were changed from cap sys admin to cap net admin+cap bpf, causing networking-bpf programs to fail to start. The issue was identified in a networking-bpf program and a reproducer was provided demonstrating the problem with pointer comparisons within the ingress function. The code checks if (long)(iph + 1) > (long)skb->data end, where iph is a pointer to the IP header within a socket buffer (skb).

Recommendations Update to a newer kernel version than 6.1.y to address this issue.

Exploit

Fix

Related Identifiers

CVE-2023-54181

SUSE-SU-2026:0278-1

SUSE-SU-2026:0281-1

SUSE-SU-2026:0293-1

SUSE-SU-2026:0315-1

SUSE-SU-2026:20477-1

SUSE-SU-2026:20498-1

SUSE-SU-2026:20845-1

SUSE-SU-2026:20876-1

Affected Products

Debian

Linux Kernel

Red Os

References · 1461

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54181.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2026:0315-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0281-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-54181 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20845-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0278-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54181 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20876-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-54181 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54181 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54181 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0293-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54181 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54181 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20498-1 · Vendor Advisory