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7.5 High

CVE-2026-22992 In the Linux kernel, the following vulnerability has been resolved: libceph: return the handler error from…

Description

In the Linux kernel, the following vulnerability has been resolved: libceph: return the handler error from mon_handle_auth_done() Currently any error from ceph_auth_handle_reply_done() is propagated via finish_auth() but isn't returned from mon_handle_auth_done(). This results in higher layers learning that (despite the monitor considering us to be successfully authenticated) something went wrong in the authentication phase and reacting accordingly, but msgr2 still trying to proceed with establishing the session in the background. In the case of secure mode this can trigger a WARN in setup_crypto() and later lead to a NULL pointer dereference inside of prepare_auth_signature().

Affected products and versions

Product Affected versions Fixed in
Linux 6.19 earliest → < 6.19 6.19
Linux 6.18 earliest → < 6.18.6 6.18.6
Linux 6.12 earliest → < 6.12.66 6.12.66
Linux 6.6 earliest → < 6.6.121 6.6.121
Linux 6.1 earliest → < 6.1.161 6.1.161
Linux 5.15 earliest → < 5.15.198 5.15.198
Linux 5.11 No fix stated
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated
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Product Affected versions Fixed in
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated

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