Description
In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in osdmap_decode() When decoding osd_state and osd_weight from an incoming osdmap in osdmap_decode(), both are decoded for each osd, i.e., map->max_osd times. The ceph_decode_need() check only accounts for sizeof(*map->osd_weight) once. This can potentially result in an out-of-bounds memory access if the incoming message is corrupted such that the max_osd value exceeds the actual content of the osdmap message. This patch fixes the issue by changing the corresponding part in the ceph_decode_need() check to account for map->max_osd*sizeof(*map->osd_weight).
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <36a79759a288961b1ff28a68ec2d1f56f6848098; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <3f2575bb7f955d42569d96c3e04fa958a0dcf4b4; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <8713bbc4b2b9ad78f803978e54b7e49dd21bd9be; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <0d2dd7e6bb74fd7712aa73457a4a821906c6863a; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <e7187f33c02488697ec0d01d82bf7a3f8deaba8f; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <48df98d12b15360cd56af5c1f460307b340c1197; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <ee933694645dac062d65fc2743f92bc06fa0db6b; dcbc919a5dc8c2629684a113a90c0b6fe10c3462 to <35d0ed82d03e5ee77ea4f31f20e29562a7721649 |
| Linux | Linux | 5.3; 0 to <5.3; 5.10.258 to <=5.10.*; 5.15.209 to <=5.15.*; 6.1.175 to <=6.1.*; 6.6.141 to <=6.6.*; 6.12.91 to <=6.12.*; 6.18.33 to <=6.18.*; 7.0.10 to <=7.0.*; 7.1 to <=* |
References
- 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
Generated from the official CVE List on 25 Jun 2026 10:14 UTC.