CVE-2026-31634

MEDIUM

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.

CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 4/24/2026Modified: 7/14/2026

Related Intelligence (1)

CRITICALAi

Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-209-04.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommend

CVE-2021-41617CVE-2023-28531
CISA Advisories

References (10)

https://git.kernel.org/stable/c/12de9e0e0b0b7058be7dfb8a5927eb565bc25780Patchhttps://git.kernel.org/stable/c/139c750bf06649097d98b0bc41e2a678b4627e27Patchhttps://git.kernel.org/stable/c/45d9584e51bdd61faf1900f82666d4ea6a85da72https://git.kernel.org/stable/c/8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7aPatchhttps://git.kernel.org/stable/c/9ce36d28f67c2a477a7e2f03480de3f6783fb363Patchhttps://git.kernel.org/stable/c/c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2Patchhttps://git.kernel.org/stable/c/f125846ee79fcae537a964ce66494e96fa54a6dePatchhttps://git.kernel.org/stable/c/fc76d0bd00850b7372f0a4a319c0c60f80487632Patchhttps://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html