libceph: Fix potential out-of-bounds access in osdmap_decode()

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

CVE-2026-52958 · Microsoft / collected KEV context

cve-program · CVE-2026-52958

• https://git.kernel.org/stable/c/36a79759a288961b1ff28a68ec2d1f56f6848098
• https://git.kernel.org/stable/c/3f2575bb7f955d42569d96c3e04fa958a0dcf4b4
• https://git.kernel.org/stable/c/8713bbc4b2b9ad78f803978e54b7e49dd21bd9be
• https://git.kernel.org/stable/c/0d2dd7e6bb74fd7712aa73457a4a821906c6863a
• https://git.kernel.org/stable/c/e7187f33c02488697ec0d01d82bf7a3f8deaba8f
• https://git.kernel.org/stable/c/48df98d12b15360cd56af5c1f460307b340c1197
• https://git.kernel.org/stable/c/ee933694645dac062d65fc2743f92bc06fa0db6b
• https://git.kernel.org/stable/c/35d0ed82d03e5ee77ea4f31f20e29562a7721649

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