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kernel: security/keys: fix missed RCU read section on lookup

🗓️ 15 Sep 2026 08:31:57Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

A flaw was found in the Linux kernel's keyring code. The assoc_array_find() function, used for looking up keys, was called without holding the necessary Read-Copy-Update (RCU) read lock. This oversight allows for a memory corruption vulnerability,...

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.48.1.el9_8kernel-5.14.0-687.48.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.48.1.el9_8kernel-5.14.0-687.48.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.48.1.el9_8kernel-5.14.0-687.48.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.48.1.el9_8kernel-5.14.0-687.48.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.48.1.el9_8kernel-64k-5.14.0-687.48.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.48.1.el9_8kernel-64k-core-5.14.0-687.48.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.48.1.el9_8kernel-64k-debug-5.14.0-687.48.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.48.1.el9_8kernel-64k-debug-core-5.14.0-687.48.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.48.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.48.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.48.1.el9_8kernel-64k-debug-devel-5.14.0-687.48.1.el9_8.aarch64.rpm
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15 Sep 2026 11:38Current
6Medium risk
Vulners AI Score6
CVSS 3.17.8
EPSS0.00164
4