CVE-2025-68283 | libceph: replace BUG_ON with bounds check for map->max_osd

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 ]

Published: 2025-12-16 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-68283 is rated Low Risk (9.7/100): low exploitation likelihood (EPSS 0.03%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-68283

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-14 0.05% 0.03% -0.02%
2 2026-04-17 0.02% 0.05% +0.03%
3 2025-12-17 0.02%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-68283

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-68283

OS Trackers for CVE-2025-68283

vendor priority summary link
debian not yet assigned CVE-2025-68283 not yet assigned priority: Debian including 2 source packages (linux, linux-6.1), 6 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5, open 1. https://security-tracker.debian.org/tracker/CVE-2025-68283
redhat medium https://access.redhat.com/security/cve/CVE-2025-68283
suse medium CVE-2025-68283 severity moderate: SUSE including 405 source package names (13.2-9.1:libsystemd0-254.23-1.1, 13.2-9.1:libudev1-254.23-1.1, …), 641 product×package rows across 75 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (75 product lines)): Fixed 372, Known Affected 231, First Fixed 32, Known Not Affected 6. https://www.suse.com/security/cve/CVE-2025-68283/
ubuntu medium CVE-2025-68283 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 182, released 129, needed 82, pending 2. https://ubuntu.com/security/CVE-2025-68283

Affected software / configurations for CVE-2025-68283

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-68283

cvelogic Threat Intelligence