libceph: prevent potential out-of-bounds writes in handle_auth_session_key()

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2025-68284 · Microsoft / collected KEV context

cve-program · CVE-2025-68284

• https://git.kernel.org/stable/c/f22c55a20a2d9ffbbac57408d5d488cef8201e9d
• https://git.kernel.org/stable/c/8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09
• https://git.kernel.org/stable/c/ccbccfba25e9aa395daaea156b5e7790910054c4
• https://git.kernel.org/stable/c/5ef575834ca99f719d7573cdece9df2fe2b72424
• https://git.kernel.org/stable/c/6920ff09bf911bc919cd7a6b7176fbdd1a6e6850
• https://git.kernel.org/stable/c/7fce830ecd0a0256590ee37eb65a39cbad3d64fc

No related operational record is retained in the current change model.