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CVE-2023-4207

🗓️ 06 Sep 2023 14:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve🔗 ubuntu.com👁 154 Views

A use-after-free vulnerability in Linux kernel's net/sched: cls_fw component can lead to local privilege escalation by exploiting fw_change() and tcf_result struct copy into the new filter

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Security Guardium is affected by vulnerabilities in the Linux Kernel
24 Jan 202418:40
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM contains multiple vulnerabilities
14 Feb 202418:57
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Linux Kernel might affect IBM Spectrum Copy Data Management
12 Jan 202416:31
–ibm
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-330)
8 Sep 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2023-2264 (ALAS-2023-2264)
5 Oct 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-039 (ALASKERNEL-5.10-2023-039)
6 Sep 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-026 (ALASKERNEL-5.15-2023-026)
6 Sep 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-054 (ALASKERNEL-5.4-2023-054)
6 Oct 202300:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2023-1838)
6 Oct 202300:00
–nessus
Tenable Nessus		CentOS 7 : kpatch-patch (RHSA-2023:7419)
22 Dec 202300:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04anylinux-hwe4.15.0-218.229~16.04.1linux-hwe_4.15.0-218.229~16.04.1_any.deb
Ubuntu18.04anylinux-hwe-5.45.4.0-163.180~18.04.1linux-hwe-5.4_5.4.0-163.180~18.04.1_any.deb
Ubuntu20.04anylinux-hwe-5.155.15.0-84.93~20.04.1linux-hwe-5.15_5.15.0-84.93~20.04.1_any.deb
Ubuntu22.04anylinux-hwe-6.26.2.0-33.33~22.04.1linux-hwe-6.2_6.2.0-33.33~22.04.1_any.deb
Ubuntu14.04anylinux-lts-xenial4.4.0-245.279~14.04.1linux-lts-xenial_4.4.0-245.279~14.04.1_any.deb
Ubuntu20.04anylinux-kvm5.4.0-1099.105linux-kvm_5.4.0-1099.105_any.deb
Ubuntu22.04anylinux-kvm5.15.0-1042.47linux-kvm_5.15.0-1042.47_any.deb
Ubuntu23.04anylinux-kvm6.2.0-1013.13linux-kvm_6.2.0-1013.13_any.deb
Ubuntu16.04anylinux-kvm4.4.0-1124.134linux-kvm_4.4.0-1124.134_any.deb
Ubuntu18.04anylinux-kvm4.15.0-1145.150linux-kvm_4.15.0-1145.150_any.deb
Rows per page

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23 May 2026 02:49Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.8
EPSS0.00301
linux kerneluse-after-free vulnerabilitynet/schedcls_fw componentlocal privilege escalationfw_change()tcf_result structfilterbugzillalocal user namespaces
154