Bug 2461483 (CVE-2026-31634)

Summary: CVE-2026-31634 kernel: rxrpc: fix reference count leak in rxrpc_server_keyring()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the Linux kernel's rxrpc subsystem. An issue with managing reference counts in the `rxrpc_server_keyring()` function could lead to a resource leak. This vulnerability might allow a local attacker to exhaust system resources, potentially causing a denial of service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-04-24 15:04:09 UTC
In the Linux kernel, the following vulnerability has been resolved:

rxrpc: fix reference count leak in rxrpc_server_keyring()

This patch fixes a reference count leak in rxrpc_server_keyring()
by checking if rx->securities is already set.