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

Syzbot · Publicado 2023-01-13 · Atualizado 2025-09-29 · CVE-2023-52903

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Enumeração de Fraquezas

CWE-667

Identificadores relacionados

ALSA-2025_16880

ALT-PU-2023-8451

BDU:2024-07452

CVE-2023-52903

OESA-2024-2080

Produtos afetados

Alt Linux

Astra Linux

Linux Kernel

Red Os

Referências · 81

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52903.json · Exploit
• https://t.me/cvedetector/3751 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2022-48644 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2022-48656 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2022-48643 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2024-42284 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2024-22386 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2024-41068 · Nota de Segurança
• https://twitter.com/VulmonFeeds/status/1826215030750155006 · Publicação no Twitter
• https://ubuntu.com/security/CVE-2023-52903 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2023-52901 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2024-43866 · Nota de Segurança
• https://t.me/cvenotify/94500 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2024-42280 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2024-43853 · Nota de Segurança