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kernel: vsock: Fix transport_* TOCTOU

🗓️ 01 Oct 2025 19:19:25Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 17 Views

Fix time of check race in vsock transport assignment to prevent stale pointers during module unload.

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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-087 (ALASKERNEL-5.15-2025-087)
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Tenable Nessus		AlmaLinux 10 : kernel (ALSA-2025:15005)
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Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2025:15011)
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Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2025:16372)
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Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2025:16373)
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Tenable Nessus		CentOS 9 : kernel-5.14.0-626.el9
20 Oct 202500:00
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.0x86_64kernel-rt5.14.0-70.148.1.rt21.220.el9_0kernel-rt-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-core5.14.0-70.148.1.rt21.220.el9_0kernel-rt-core-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-core5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-core-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-debuginfo5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-debuginfo-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-devel5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-devel-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-kvm5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-kvm-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-modules-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules-extra5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debug-modules-extra-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debuginfo5.14.0-70.148.1.rt21.220.el9_0kernel-rt-debuginfo-5.14.0-70.148.1.rt21.220.el9_0.x86_64.rpm
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30 Jun 2026 03:31Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.14.7
EPSS0.00113
SSVC
CWE-664
linux kernelvsock transporttime of checkmodule unloadstale pointerlockdep assertion
17