{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-64447 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-64447 is a high-severity use after free vulnerability in Linux kernel, published on 25 Jul 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-2026-64447 and fix it if it is affected.\n\nWhat it is: CVE-2026-64447 is a high-severity use after free vulnerability in Linux kernel, published on 25 Jul 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-2026-64447 in the wild and no public exploit code.\n\nAffected product: Linux kernel. 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-2026-64447/ (Markdown: https://insights.sbomify.com/CVE-2026-64447/index.md)","id":"CVE-2026-64447","markdown":"https://insights.sbomify.com/CVE-2026-64447/index.md","name":"CVE-2026-64447","record":{"aliases":["BELL-CVE-2026-64447","DEBIAN-CVE-2026-64447","GHSA-q956-6h2r-2rpx","ROOT-OS-UBUNTU-2204-CVE-2026-64447","UBUNTU-CVE-2026-64447"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel driver","requires_auth":"low_privilege","summary":"A double-free and use-after-free vulnerability in the Linux kernel's IPU7 media driver allows attackers to cause denial of service or potentially execute code.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":7.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-415","name":"Double Free"}],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: media: ipu7: fix double-free and use-after-free in error paths\n\nIn both ipu7_isys_init() and ipu7_psys_init(), pdata is allocated and\nthen passed to ipu7_bus_initialize_device(), which stores it in\nadev-\u003epdata. The ipu7_bus_release() function frees adev-\u003epdata when the\ndevice's reference count drops to zero.\n\nTwo error paths incorrectly call kfree(pdata) after the device teardown\nhas already freed it:\n\n1. When ipu7_mmu_init() fails: put_device() is called, which drops the\n   reference count to zero and triggers ipu7_bus_release() -\u003e\n   kfree(pdata). The subsequent kfree(pdata) is a double-free.\n\n2. When ipu7_bus_add_device() fails: it calls auxiliary_device_uninit()\n   internally, which calls put_device() -\u003e ipu7_bus_release() -\u003e\n   kfree(pdata). The subsequent kfree(pdata) is again a double-free.\n\nNote that the kfree(pdata) when ipu7_bus_initialize_device() itself\nfails is correct, because in that case auxiliary_device_init() failed\nand the release function was never set up, so pdata must be freed\nmanually.\n\nAdditionally, the error code was not saved before calling put_device(),\ncausing ERR_CAST() to dereference the already-freed adev pointer when\nconstructing the return value. Fix this by saving the error from\ndev_err_probe() before put_device() and returning ERR_PTR() instead.\n\nRemove the redundant kfree(pdata) calls and fix the use-after-free in\nthe return values of the two affected error paths.","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":"staging: media: ipu7: fix double-free and use-after-free in error paths","id":"CVE-2026-64447","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"use_after_free","year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"smb: client: restrict implied bcc[0] exemption to responses without data area","id":"CVE-2026-64448"},"packages":[],"prev":{"headline":"staging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie()","id":"CVE-2026-64446"},"products":["Linux"],"published":"2026-07-25","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-08-17","vendors":["Linux"]},"summary":"A double-free and use-after-free vulnerability in the Linux kernel's IPU7 media driver allows attackers to cause denial of service or potentially execute code.","url":"https://insights.sbomify.com/CVE-2026-64447/"}