Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2023-53462

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in fill_frame_info() Syzbot reports the following uninit-value access problem.

Published Oct 1, 2025CWE-908EPSS 0.23%

Overview

CVE-2023-53462 is a high-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

hsr: Fix uninit-value access in fill_frame_info()

Syzbot reports the following uninit-value access problem.

=====================================================

BUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:601 [inline]

BUG: KMSAN: uninit-value in hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616

fill_frame_info net/hsr/hsr_forward.c:601 [inline]

hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616

hsr_dev_xmit+0x192/0x330 net/hsr/hsr_device.c:223

__netdev_start_xmit include/linux/netdevice.h:4889 [inline]

netdev_start_xmit include/linux/netdevice.h:4903 [inline]

xmit_one net/core/dev.c:3544 [inline]

dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3560

__dev_queue_xmit+0x34d0/0x52a0 net/core/dev.c:4340

dev_queue_xmit include/linux/netdevice.h:3082 [inline]

packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276

packet_snd net/packet/af_packet.c:3087 [inline]

packet_sendmsg+0x8b1d/0x9

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/1e90a93ac4845c31724ec5dc96fb51e608435a9dRefgit.kernel.org/stable/c/484b4833c604c0adcf19eac1ca14b60b757355b5Refgit.kernel.org/stable/c/61866f7d814e5792bf47410d7d3ff32e49bd292aRefgit.kernel.org/stable/c/6a4480c5e6ebaf9f797ac300e2a97a02d4e70cfdRefgit.kernel.org/stable/c/ed7a0ba7e840dc5d54cdbd8466be27e6aedce1e5

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53462?

CVE-2023-53462 is a high-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2023-53462?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-53462?

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-2023-53462?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53462 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.

Related HIGH CVEs from 2023

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999