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kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation

🗓️ 11 Oct 2022 12:35:26Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

A use-after-free in route4_change for net/sched/cls_route may crash the system and enable local privilege escalation.

Related
Packages
Refs
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities fixed in IBM Security Verify Governance
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in Node.js, libcurl, Golang Go, Jetty, Guava, Netty, OpenSSL, Linux kernel may affect IBM Spectrum Protect Plus
23 Mar 202320:19
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29 Mar 202318:49
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in Golang Go and Linux Kernel may affect IBM Spectrum Copy Data Management
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GithubExploit		Exploit for Double Free in Linux Linux_Kernel
9 Mar 202321:29
–githubexploit
GithubExploit		Exploit for Use After Free in Linux Linux_Kernel
24 Aug 202202:20
–githubexploit
GithubExploit		Exploit for Use After Free in Linux Linux_Kernel
23 Aug 202213:23
–githubexploit
GithubExploit		Exploit for Double Free in Linux Linux_Kernel
11 Aug 202206:01
–githubexploit
GithubExploit		Exploit for Double Free in Linux Linux_Kernel
2 Mar 202307:45
–githubexploit
GithubExploit		Exploit for Double Free in Linux Linux_Kernel
4 Dec 202222:10
–githubexploit
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1ppc64lebpftool0:4.18.0-147.76.1.el8_1bpftool-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64bpftool0:4.18.0-147.76.1.el8_1bpftool-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lebpftool-debuginfo0:4.18.0-147.76.1.el8_1bpftool-debuginfo-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64bpftool-debuginfo0:4.18.0-147.76.1.el8_1bpftool-debuginfo-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel0:4.18.0-147.76.1.el8_1kernel-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64kernel0:4.18.0-147.76.1.el8_1kernel-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1anykernel-abi-whitelists0:4.18.0-147.76.1.el8_1.noarchkernel-abi-whitelists-0:4.18.0-147.76.1.el8_1.noarch.noarch.rpm
Red Hat Enterprise Linux8.1ppc64lekernel-core0:4.18.0-147.76.1.el8_1kernel-core-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64kernel-core0:4.18.0-147.76.1.el8_1kernel-core-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel-debug0:4.18.0-147.76.1.el8_1kernel-debug-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
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03 Jul 2026 01:42Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.3 - 7.8
EPSS0.06214
SSVC
CWE-416
use after freeroute four changenetwork schedulerlocal privilege escalationlinux kernel
5