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MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/7794 JIRA: https://issues.redhat.com/browse/RHEL-142099 CVE: CVE-2025-71116 ``` commit 8c738512714e8c0aa18f8a10c072d5b01c83db39 Author: Ilya Dryomov <idryomov@gmail.com> Date: Tue Dec 2 10:32:31 2025 +0100 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. Cc: stable@vger.kernel.org Reported-by: ziming zhang <ezrakiez@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Xiubo Li <xiubli@redhat.com> Tested-by: ziming zhang <ezrakiez@gmail.com> ``` Signed-off-by: CKI Backport Bot <cki-ci-bot+cki-gitlab-backport-bot@redhat.com> --- <small>Created 2026-01-16 20:42 UTC by backporter - [KWF FAQ](https://red.ht/kernel_workflow_doc) - [Slack #team-kernel-workflow](https://redhat-internal.slack.com/archives/C04LRUPMJQ5) - [Source](https://gitlab.com/cki-project/kernel-workflow/-/blob/main/webhook/utils/backporter.py) - [Documentation](https://gitlab.com/cki-project/kernel-workflow/-/blob/main/docs/README.backporter.md) - [Report an issue](https://issues.redhat.com/secure/CreateIssueDetails!init.jspa?pid=12334433&issuetype=1&priority=4&summary=backporter+webhook+issue&components=kernel-workflow+/+backporter)</small> Approved-by: Ilya Dryomov <idryomov@redhat.com> Approved-by: Viacheslav Dubeyko <vdubeyko@redhat.com> Approved-by: Alex Markuze <amarkuze@redhat.com> Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com> Merged-by: CKI GitLab Kmaint Pipeline Bot <26919896-cki-kmaint-pipeline-bot@users.noreply.gitlab.com>