{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-90161 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-90161 is a high-severity vulnerability in Linux, published on 17 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-90161 and fix it if it is affected.\n\nWhat it is: CVE-2026-90161 is a high-severity vulnerability in Linux, published on 17 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2026-90161 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-2026-90161/ (Markdown: https://insights.sbomify.com/CVE-2026-90161/index.md)","id":"CVE-2026-90161","markdown":"https://insights.sbomify.com/CVE-2026-90161/index.md","name":"CVE-2026-90161","record":{"aliases":["AZL-103047","BELL-CVE-2026-90161","DEBIAN-CVE-2026-90161","GHSA-75m6-v57w-mhq4","UBUNTU-CVE-2026-90161"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["data_read"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel EROFS","requires_auth":"none","summary":"A crafted EROFS filesystem image can trigger an out-of-bounds read, leaking kernel memory to userspace via the page cache.","user_interaction":"required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[],"cvss":{"score":7.1,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","version":"3.1"},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix interlaced ztailpacking pclusters\n\nOn-disk sizes of interlaced pclusters should be block-aligned, and\nztailpacking interlaced pclusters should be invalid at all.\n\nCurrently, mkfs.erofs won't generate any interlaced pcluster with\nztailpacking enabled, so this doesn't affect any existing valid\nfilesystems.\n\nHowever, crafted images can contain invalid interlaced ztailpacking\npclusters, resulting in an out-of-bounds read from a kmap'd page and\ncopying irrelevant kernel memory into userspace-visible page cache.","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":"erofs: fix interlaced ztailpacking pclusters","id":"CVE-2026-90161","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"information_disclosure","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"ksmbd: defer publishing granted locks to prevent UAF/double-free race","id":"CVE-2026-90162"},"packages":[],"prev":{"headline":"lwt_bpf: Restore reserved headroom after xmit program","id":"CVE-2026-90160"},"products":["Linux"],"published":"2026-09-17","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-10-21","vendors":["Linux"]},"summary":"A crafted EROFS filesystem image can trigger an out-of-bounds read, leaking kernel memory to userspace via the page cache.","url":"https://insights.sbomify.com/CVE-2026-90161/"}