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kernel: use-after-free vulnerability in function sco_sock_sendmsg()

🗓️ 15 Nov 2022 11:38:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Kernel use-after-free in sco_sock_sendmsg enables local privilege escalation via race with sco_conn_del and UFFDIO_REGISTER.

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Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2022:7444)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9x86_64kernel-rt0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-core0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-core-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-core0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-core-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-debuginfo0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-debuginfo-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-devel0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-devel-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-kvm0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-kvm-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-modules0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-modules-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-modules-extra0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-modules-extra-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debuginfo0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debuginfo-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
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03 Jul 2026 02:27Current
6.6Medium risk
Vulners AI Score6.6
CVSS 26.9
CVSS 3.17
EPSS0.0037
CWE-825
kernel vulnerabilityuse after freerace conditionlocal privilege escalationhci subsystemlinux kernel
6