Vulnerability · Published Jan 14, 2026 · Assigned by Linux

CVE-2025-71116libceph: make decode_pool() more resilient against corrupted osdmaps

Critical 9.1

In plain English

A critical-severity out-of-bounds read in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 60.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:10kernel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-abi-stablelists6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-abi-stablelists4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-abi-stablelists5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-core4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-cross-headers6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-cross-headers4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-cross-headers5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-debug5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-core4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-debug-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-devel4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-debug-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-modules4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-debug-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-debug-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-devel4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-devel-matched5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-doc6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-doc4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-doc5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-headers6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-headers4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-headers5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-modules4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-modules-extra4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:10kernel-rt6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-core4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-debug5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-core4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-debug-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-devel4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-modules4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.126.1.rt7.467.el8_10ALSA-2026:21745
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-tools6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-tools4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-tools5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-tools-libs6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-tools-libs4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-tools-libs5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-uki-virt6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-uki-virt5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-zfcpdump5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10libperf6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9libperf5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10perf6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8perf4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9perf5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10python3-perf6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8python3-perf4.18.0-553.126.1.el8_10ALSA-2026:21706
AlmaLinux:9python3-perf5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10rtla6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9rtla5.14.0-687.10.1.el9_8ALSA-2026:19568
AlmaLinux:10rv6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9rv5.14.0-687.10.1.el9_8ALSA-2026:19568
Debian:12linux6.1.162-1DEBIAN-CVE-2025-71116
Debian:13linux6.12.69-1DEBIAN-CVE-2025-71116
Debian:14linux6.18.3-1DEBIAN-CVE-2025-71116
Rocky Linux:10kernel0:6.12.0-211.60.1.el10_2RLSA-2026:71602
Rocky Linux:8kernel0:4.18.0-553.126.1.el8_10RLSA-2026:21706
Rocky Linux:9kernel0:5.14.0-687.10.1.el9_8.0.1RLSA-2026:19568
Rocky Linux:8kernel-rt0:4.18.0-553.126.1.rt7.467.el8_10RLSA-2026:21745
Ubuntu:22.04:LTSlinux5.15.0-173.183UBUNTU-CVE-2025-71116
Ubuntu:24.04:LTSlinux6.8.0-110.110UBUNTU-CVE-2025-71116
Ubuntu:25.10linux6.17.0-22.22UBUNTU-CVE-2025-71116
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-71116
Ubuntu:22.04:LTSlinux-aws5.15.0-1103.110UBUNTU-CVE-2025-71116
Ubuntu:24.04:LTSlinux-aws6.8.0-1052.55UBUNTU-CVE-2025-71116
Ubuntu:25.10linux-aws6.17.0-1012.12UBUNTU-CVE-2025-71116
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-71116
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-71116

Affected products (as reported)

VendorProductVersions
Linux Linux 4f6a7e5ee1393ec4b243b39dac9f36992d161540 – before d061be4c8040ffb1110d537654a038b8b6ad39d24f6a7e5ee1393ec4b243b39dac9f36992d161540 – before 145d140abda80e33331c5781d6603014fa75d2584f6a7e5ee1393ec4b243b39dac9f36992d161540 – before c82e39ff67353a5a6cbc07b786b8690bd2c45aaa4f6a7e5ee1393ec4b243b39dac9f36992d161540 – before e927ab132b87ba3f076705fc2684d94b24201ed14f6a7e5ee1393ec4b243b39dac9f36992d161540 – before 5d0d8c292531fe356c4e94dcfdf7d7212aca99574f6a7e5ee1393ec4b243b39dac9f36992d161540 – before 2acb8517429ab42146c6c0ac1daed1f03d2fd1254f6a7e5ee1393ec4b243b39dac9f36992d161540 – before 8c738512714e8c0aa18f8a10c072d5b01c83db39
Linux Linux 3.9

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References