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A use-after-free flaw was found in io_uring/filetable.c in io_install_fixed_file in the io_uring subcomponent in the Linux Kernel during call cleanup. This flaw may lead to a denial of service.

🗓️ 02 Feb 2023 08:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Use-after-free flaw in io_uring filetable cleanup may cause denial of service in the Linux kernel.

Related
Detection
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-070)
21 Mar 202300:00
–nessus
Tenable Nessus		SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2023:2809-1)
12 Jul 202300:00
–nessus
Tenable Nessus		SUSE SLED15 / SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2023:2871-1)
19 Jul 202300:00
–nessus
Tenable Nessus		TencentOS Server 4: kernel (TSSA-2024:0960)
16 Jun 202500:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5914-1)
4 Mar 202300:00
–nessus
Tenable Nessus		Ubuntu 22.10 : Linux kernel vulnerabilities (USN-5970-1)
24 Mar 202300:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (HWE) vulnerabilities (USN-5979-1)
28 Mar 202300:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2023-0469
8 Aug 202500:00
–nessus
Amazon		Important: kernel
22 Mar 202300:00
–amazon
BDU FSTEC		The vulnerability of the io_install_fixed_file() function in the io_uring/filetable.c module of the io_uring subsystem in the Linux kernel allows a hacker to cause a service failure.
8 Feb 202300:00
–bdu_fstec
Rows per page
Vulners
Node
microsoftcbl2_kernel_5.15.122.1-2Range<5.15.122.1-2
OR
microsoftcm1_kernel_5.10.188.1-1Range<5.10.188.1-1

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02 Feb 2023 08:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.15.5
EPSS0.00024
SSVC
use after freeio_uring filetabledenial of servicelinux kernelio_install_fixed_file
1