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kernel: improper initialization of the "flags" member of the new pipe_buffer

🗓️ 10 Mar 2022 15:35:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Linux kernel pipe_buffer flags init flaw allows local users to write to page cache pages backed by read-only files and escalate privileges.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
7 Jan 202500:25
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
25 Mar 202522:16
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
10 Mar 202201:27
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
12 Mar 202211:31
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
8 Mar 202212:43
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
7 Feb 202611:15
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
8 Mar 202201:17
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
18 Mar 202222:51
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
22 Mar 202203:17
–githubexploit
GithubExploit		Exploit for Improper Initialization in Linux Linux_Kernel
4 Jun 202413:25
–githubexploit
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.4x86_64kernel-rt0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-core0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-core-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug-core0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-core-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug-debuginfo0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-debuginfo-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug-devel0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-devel-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug-kvm0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-kvm-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug-modules0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-modules-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debug-modules-extra0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-modules-extra-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-rt-debuginfo0:4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debuginfo-0:4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
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28 Jun 2026 12:16Current
6.8Medium risk
Vulners AI Score6.8
CVSS 27.2
CVSS 3.17.8
EPSS0.89063
SSVC
CWE-908
linux kernel flawpipe buffer bugpage cache writeread only filesprivilege escalation
5