{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-99086 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-99086 is a vulnerability in Linux, published on 23 Oct 2026."},"fix_prompt":"Check this codebase for CVE-2026-99086 and fix it if it is affected.\n\nWhat it is: CVE-2026-99086 is a vulnerability in Linux, published on 23 Oct 2026. \nExploitation: There is no known exploitation of CVE-2026-99086 in the wild and no public exploit code.\n\nAffected product: Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-99086/ (Markdown: https://insights.sbomify.com/CVE-2026-99086/index.md)","id":"CVE-2026-99086","markdown":"https://insights.sbomify.com/CVE-2026-99086/index.md","name":"CVE-2026-99086","record":{"aliases":["BELL-CVE-2026-99086","DEBIAN-CVE-2026-99086","GHSA-ppgf-6cf3-2qjr","UBUNTU-CVE-2026-99086"],"analysis":null,"analysis_generated_by":null,"assigner":"Linux","cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: validate the superblock on resume\n\ndm_integrity_resume() re-reads the superblock from the device so that it\npicks up the flags and the recalculate position. It performs no\nvalidation on the result, while the constructor validates the superblock\nit reads and sizes all the in-memory structures according to it. The user\nmay modify the superblock on the underlying device while the dm-integrity\ndevice is suspended, so that the two no longer agree.\n\nIn particular, access_journal_data() shifts the journal entry index by\nic-\u003esb-\u003elog2_sectors_per_block, while ic-\u003ejournal_section_sectors and the\njournal page list were computed with the value that was present at\nconstructor time. Increasing log2_sectors_per_block makes the index run\npast the end of the journal, and dm-integrity then writes 512 bytes\nthrough lowmem_page_address(NULL).\n\nSnapshot the validated superblock in the constructor and refuse to resume\nif any of the fields that describe the on-disk geometry changed.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"dm-integrity: validate the superblock on resume","id":"CVE-2026-99086","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":null,"year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"dm-integrity: fix NULL pointer dereference when the 'R' flag is used","id":"CVE-2026-99087"},"packages":[],"prev":{"headline":"sched_ext: Fix CPU hotplug hang when a dying CPU's tasks sit in the BPF scheduler","id":"CVE-2026-99085"},"products":["Linux"],"published":"2026-10-23","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-10-23","vendors":["Linux"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2026-99086/"}