Bug 2422800 (CVE-2025-68283) - CVE-2025-68283 kernel: libceph: replace BUG_ON with bounds check for map->max_osd
Summary: CVE-2025-68283 kernel: libceph: replace BUG_ON with bounds check for map->max...
Keywords:
Status: NEW
Alias: CVE-2025-68283
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-16 16:02 UTC by OSIDB Bzimport
Modified: 2025-12-22 21:03 UTC (History)
0 users

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Description OSIDB Bzimport 2025-12-16 16:02:31 UTC 
In the Linux kernel, the following vulnerability has been resolved:

libceph: replace BUG_ON with bounds check for map->max_osd

OSD indexes come from untrusted network packets. Boundary checks are
added to validate these against map->max_osd.

[ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic
  edits ]
Comment 1 Alexander B 2025-12-16 19:40:14 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025121637-CVE-2025-68283-77dd@gregkh/T
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