CVE-2025-71116
CVE-2025-71116 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-2500
- Weakness: CWE-125
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-71116?
- 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.
- How severe is CVE-2025-71116?
- CVE-2025-71116 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2025-71116 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-71116?
- CVE-2025-71116 primarily affects Linux Linux Kernel. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-71116?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-71116 have an EU (EUVD) identifier?
- Yes. CVE-2025-71116 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2500.
- When was CVE-2025-71116 published?
- CVE-2025-71116 was published on 2026-01-14 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/145d140abda80e33331c5781d6603014fa75d258
- https://git.kernel.org/stable/c/2acb8517429ab42146c6c0ac1daed1f03d2fd125
- https://git.kernel.org/stable/c/5d0d8c292531fe356c4e94dcfdf7d7212aca9957
- https://git.kernel.org/stable/c/8c738512714e8c0aa18f8a10c072d5b01c83db39
- https://git.kernel.org/stable/c/c82e39ff67353a5a6cbc07b786b8690bd2c45aaa
- https://git.kernel.org/stable/c/d061be4c8040ffb1110d537654a038b8b6ad39d2
- https://git.kernel.org/stable/c/e927ab132b87ba3f076705fc2684d94b24201ed1
Affected products (10)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.9:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*
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