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CVE-2023-54094

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: net: prevent skb corruption on frag list segmentation Ian reported several skb corruptions triggered by rx-gro-list, collecting…

Published Dec 24, 2025EPSS 0.55%

Overview

CVE-2023-54094 is a critical-severity vulnerability. It was published on December 24, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

net: prevent skb corruption on frag list segmentation

Ian reported several skb corruptions triggered by rx-gro-list,

collecting different oops alike:

[ 62.624003] BUG: kernel NULL pointer dereference, address: 00000000000000c0

[ 62.631083] #PF: supervisor read access in kernel mode

[ 62.636312] #PF: error_code(0x0000) - not-present page

[ 62.641541] PGD 0 P4D 0

[ 62.644174] Oops: 0000 [#1] PREEMPT SMP NOPTI

[ 62.648629] CPU: 1 PID: 913 Comm: napi/eno2-79 Not tainted 6.4.0 #364

[ 62.655162] Hardware name: Supermicro Super Server/A2SDi-12C-HLN4F, BIOS 1.7a 10/13/2022

[ 62.663344] RIP: 0010:__udp_gso_segment (./include/linux/skbuff.h:2858

./include/linux/udp.h:23 net/ipv4/udp_offload.c:228 net/ipv4/udp_offload.c:261

net/ipv4/udp_offload.c:277)

[ 62.687193] RSP: 0018:ffffbd3a83b4f868 EFLAGS: 00010246

[ 62.692515] RAX: 00000000000000ce RBX: 0000000000000000 RCX: 0000000000000000

[ 62.699743] RDX: ff

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/1731234e8b60063eae858c77b55c7a88f5084353Refgit.kernel.org/stable/c/7a59f29961cf97b98b02acaadf5a0b1f8dde938cRefgit.kernel.org/stable/c/bc3ab5d2ab69823f5cff89cf74ef78ffa0386c9aRefgit.kernel.org/stable/c/c329b261afe71197d9da83c1f18eb45a7e97e089Refgit.kernel.org/stable/c/ea438eed94ac0fe69b93ac034738823c0e989a12

How CyberStrike helps

Frequently asked questions

What is CVE-2023-54094?

CVE-2023-54094 is a critical-severity vulnerability. It was published on December 24, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-54094?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-54094?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-54094?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-54094 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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