Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2023-53578

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() Syzbot reported a bug as following: =========================…

Published Oct 4, 2025CWE-908EPSS 0.15%

Overview

CVE-2023-53578 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume()

Syzbot reported a bug as following:

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

BUG: KMSAN: uninit-value in qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230

qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230

qrtr_endpoint_post+0xf85/0x11b0 net/qrtr/af_qrtr.c:519

qrtr_tun_write_iter+0x270/0x400 net/qrtr/tun.c:108

call_write_iter include/linux/fs.h:2189 [inline]

aio_write+0x63a/0x950 fs/aio.c:1600

io_submit_one+0x1d1c/0x3bf0 fs/aio.c:2019

__do_sys_io_submit fs/aio.c:2078 [inline]

__se_sys_io_submit+0x293/0x770 fs/aio.c:2048

__x64_sys_io_submit+0x92/0xd0 fs/aio.c:2048

do_syscall_x64 arch/x86/entry/common.c:50 [inline]

do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80

entry_SYSCALL_64_after_hwframe+0x63/0xcd

Uninit was created at:

slab_post_alloc_hook mm/slab.h:766 [inline]

slab_alloc_node mm/slub.c:3452 [inline]

__kmem_cache_all

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/3814d211ff13ee35f2d9437439a6c7df58524137Refgit.kernel.org/stable/c/6417070918de3bcdbe0646e7256dae58fd8083baRefgit.kernel.org/stable/c/8c9ce34a6ff2c544f96ce0b088e8fd3c1b9698c4Refgit.kernel.org/stable/c/bef57c227b52c2bde00fad33556175d36d12cfa0Refgit.kernel.org/stable/c/c6a796ee5a639ffb83c6e5469408cc2ec16cac6a

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53578?

CVE-2023-53578 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53578?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53578?

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-2023-53578?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53578 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