{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-97961 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-97961 is an use after free vulnerability in Linux, published on 25 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-97961 and fix it if it is affected.\n\nWhat it is: CVE-2026-97961 is an use after free vulnerability in Linux, published on 25 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-97961 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-2026-97961/ (Markdown: https://insights.sbomify.com/CVE-2026-97961/index.md)","id":"CVE-2026-97961","markdown":"https://insights.sbomify.com/CVE-2026-97961/index.md","name":"CVE-2026-97961","record":{"aliases":["AZL-104247","BELL-CVE-2026-97961","DEBIAN-CVE-2026-97961","GHSA-prpp-c3xm-jcfh","UBUNTU-CVE-2026-97961"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service","privilege_escalation"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel","requires_auth":"low_privilege","summary":"A local attacker can trigger list corruption in the Linux kernel perf subsystem, potentially causing a denial of service or privilege escalation.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","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\nperf/core: Allow list_del during perf_event_overflow()\n\nA PMU might use perf_sched_cb_inc() and perf_sched_cb_dec()\ninterface to get the PMU call back function pmu::sched_task\ninvoked at schedule in and schedule out. This is achieved\nby walking along the list anchored by sched_cb_list.\n\nThe following scenario might lead to a list corruption.\n\n   perf_pmu_sched_task()\n      for_each_list_entry(..., \u0026sched_cb_list)\n      +--\u003e __perf_pmu_sched_task()\n           +--\u003e event-\u003epmu-\u003esched_task())\n                +--\u003e PMU_push_sample()\n                     +--\u003e perf_event_overflow()\n                          +--\u003e __perf_event_overflow()\n                               +--\u003e pmu-\u003estop()\n                                    +--\u003e perf_sched_cb_dec()\n                                         remove entry from sched_cb_list\n                                         while list node in use.\n\nThis happens when ioctl(fd, PERF_EVENT_IOC_REFRESH, xxx) has been\ninvoked and perf_event::event_limit hits zero.\n\nPrevent the list corruption and convert for_each_list_entry()\nto for_each_list_entry_safe().","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":"perf/core: Allow list_del during perf_event_overflow()","id":"CVE-2026-97961","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"use_after_free","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"net/mlx5e: Move representor vnic reporter to eswitch devlink port","id":"CVE-2026-97962"},"packages":[],"prev":{"headline":"perf/x86/intel: Prevent drain_pebs() reentry","id":"CVE-2026-97960"},"products":["Linux"],"published":"2026-09-25","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":"2026-10-21","vendors":["Linux"]},"summary":"A local attacker can trigger list corruption in the Linux kernel perf subsystem, potentially causing a denial of service or privilege escalation.","url":"https://insights.sbomify.com/CVE-2026-97961/"}