JVN iPedia http://jvndb.jvn.jp Advisory JVNDB-2026-032035 Linuxカーネルにおいて、以下の脆弱性が修正されました：USBのiowarriorで、切断時のuse-after-freeの問題が修正されました。具体的には、送信されたwrite URBはclose()時に停止されないため、completionハンドラでのuse-after-freeを回避するには、切断時に無条件で停止させる必要があります。 cpe:/o:linux:linux_kernel https://jvndb.jvn.jp/ja/contents/2026/JVNDB-2026-032035.html Common Vulnerabilities and Exposures (CVE) CVE-2026-64342 https://www.cve.org/CVERecord?id=CVE-2026-64342 National Vulnerability Database (NVD) CVE-2026-64342 https://nvd.nist.gov/vuln/detail/CVE-2026-64342 JVNDB CWE-416 https://cwe.mitre.org/data/definitions/416.html 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595) https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea) https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f) https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad) https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7) https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241) https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404) https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404 関連文書 USB: iowarrior: fix use-after-free on disconnect - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee) https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee 2026-09-04T17:49:36+09:00 2026-09-04T17:49:36+09:00