PT-2023-9428 · Linux+3 · Linux Kernel+3

Syzbot · Published 2023-01-13 · Updated 2025-09-29 · CVE-2023-52903

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 versions prior to 6.2.0-rc3-syzkaller-16369-g358a161a6a9e

Description The issue is related to a lock overflowing for IOPOLL in the io uring component of the Linux kernel. Syzbot reports an issue with overflow filling for IOPOLL, which may lead to a denial of service. The problem is more complicated for IOPOLL|SQPOLL, where io cqring overflow flush() happens from the CQ waiting path.

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

Exploit

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

ALSA-2025_16880

ALT-PU-2023-8451

BDU:2024-07452

CVE-2023-52903

OESA-2024-2080

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Red Os

References · 81

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52903.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-48644 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48656 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48643 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-42284 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-22386 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-41068 · Security Note
• https://ubuntu.com/security/CVE-2023-52903 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52901 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-43866 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-42280 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-43853 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48639 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-42271 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-42122 · Security Note