{"id":"CVE-2026-97980","published":"2026-09-25T11:17:26.023","lastModified":"2026-09-25T11:17:26.023","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/debug: Fix NULL pointer dereference in debug_set_level()\n\nCommit a2cec6863709 (\"s390/debug: Add s390dbf kernel parameter\")\nincorrectly removed a null-id check from debug_set_level(), introducing\na possible NULL pointer dereference for debug-API users that put\ndebug_register() results unchecked into debug_set_level().\n\nFix this by moving the check from the internal _debug_set_level()\nvariant back to the external debug_set_level() wrapper.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/716e1cd3783806929407dbd596e6b1118971eb9e","tags":[]},{"url":"https://git.kernel.org/stable/c/b1eb31d533cdfcae1011ed53850d52f36afe5774","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}