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A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.

🗓️ 03 Aug 2023 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com

Missing lock for IOPOLL flaw in io_cqring_event_overflow in the Linux kernel enables local privilege Denial of Service.

Related
Detection
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-349)
20 Sep 202300:00
–nessus
Tenable Nessus		Debian DSA-5492-1 : linux - security update
10 Sep 202300:00
–nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2023-5.0-0101
24 Jul 202400:00
–nessus
Tenable Nessus		SUSE SLED15 / SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2023:2871-1)
19 Jul 202300:00
–nessus
Tenable Nessus		SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2023:2892-1)
20 Jul 202300:00
–nessus
Tenable Nessus		SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2023:3302-1)
15 Aug 202300:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-6192-1)
20 Jul 202300:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6194-1)
20 Jul 202300:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6235-1)
20 Jul 202300:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2023-2430
7 Aug 202500:00
–nessus
Rows per page
Vulners
Node
microsoftcbl2_kernel_5.15.137.1-1Range<5.15.137.1-1

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03 Aug 2023 07:00Current
7.3High risk
Vulners AI Score7.3
CVSS 3.15.5
EPSS0.00013
SSVC
iopoll flawio_cqring_event_overflowlinux kerneldenial of servicelocal privilege
0