{"id":"CVE-2026-98476","published":"2026-10-18T16:16:58.130","lastModified":"2026-10-19T10:18:58.260","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()\n\nThe channel path registry entry associated with a CHPID may be removed\nwhile the subchannel's PMCW still references that CHPID. In this case,\nchpid_to_chp() can return NULL, leading to a NULL pointer dereference.\n\nAdd the missing NULL check before dereferencing the returned pointer.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59","tags":[]},{"url":"https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065df","tags":[]},{"url":"https://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9","tags":[]},{"url":"https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01","tags":[]},{"url":"https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9","tags":[]},{"url":"https://git.kernel.org/stable/c/9d8b21820caed9128945fffcedf03e2a4c21eee2","tags":[]},{"url":"https://git.kernel.org/stable/c/c3bbcb32deecc06ebb1762398399b566d5ff2fc9","tags":[]},{"url":"https://git.kernel.org/stable/c/dbf30e661ceb9a52c94c85719716391dcc29142a","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}