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Vulnerability record · CVE-2025-71116 · published 14 January 2026

CVE-2025-71116: Linux kernel out-of-bounds read vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_pool envelope is less than what is expected for a particular encoding version, out-of-bounds reads may ensue because the only bounds check that is there is based on that length value. This patch adds explicit bounds checks for each field that is decoded or skipped.

7.1 CVSS 3.1 High EPSS 0.37% · top 71.7% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
30 Jul 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_pool envelope is less than what is expected for a particular encoding version, out-of-bounds reads may ensue because the only bounds check that is there is based on that length value. This patch adds explicit bounds checks for each field that is decoded or skipped.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/145d140abda80e33331c5781d6603014fa75d258 Patch
https://git.kernel.org/stable/c/2acb8517429ab42146c6c0ac1daed1f03d2fd125 Patch
https://git.kernel.org/stable/c/5d0d8c292531fe356c4e94dcfdf7d7212aca9957 Patch
https://git.kernel.org/stable/c/8c738512714e8c0aa18f8a10c072d5b01c83db39 Patch
https://git.kernel.org/stable/c/c82e39ff67353a5a6cbc07b786b8690bd2c45aaa Patch
https://git.kernel.org/stable/c/d061be4c8040ffb1110d537654a038b8b6ad39d2 Patch
https://git.kernel.org/stable/c/e927ab132b87ba3f076705fc2684d94b24201ed1 Patch

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Source: NIST National Vulnerability Database (record CVE-2025-71116), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.