{"id":"CVE-2026-80679","summary":"s390/dasd: Fix potential NULL pointer dereference","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/dasd: Fix potential NULL pointer dereference\n\ndasd_release_space() checks the implementation of the is_ese()\ndiscipline function before calling it to determine if a given device is\nan ESE DASD.\n\nThe current usage of the logical AND operator will lead to a NULL\npointer dereference as the function is called even if the function\npointer is NULL.\n\nFix this by using the logical OR operator.","modified":"2026-08-30T03:48:20.954970660Z","published":"2026-08-28T06:52:47.682Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80679.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3000367a512b1283ca52230bf21f8c91dfbec45b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3453a993a3f14c1684560ecf26585046976f6ac6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/86cdfd061509bcde84f3145f7221ba64e3e53b1f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/96b8e09b09539f252a5eeea6baebd93c2e3779bd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9973026f572db6b67570cadc30942f3014e41079"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cdc7b73d0c5a9cd6360b4f8c36eae23b02097e4c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dbf2ae34d2f1390a9fc1abf3dce7f809e022caae"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e156c70c505c6c9adce3b7be5a82025f00544709"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80679.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80679"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"91dc4a197569230683ca8bad551e655a4bf14c30"},{"fixed":"dbf2ae34d2f1390a9fc1abf3dce7f809e022caae"},{"fixed":"3000367a512b1283ca52230bf21f8c91dfbec45b"},{"fixed":"cdc7b73d0c5a9cd6360b4f8c36eae23b02097e4c"},{"fixed":"e156c70c505c6c9adce3b7be5a82025f00544709"},{"fixed":"3453a993a3f14c1684560ecf26585046976f6ac6"},{"fixed":"86cdfd061509bcde84f3145f7221ba64e3e53b1f"},{"fixed":"96b8e09b09539f252a5eeea6baebd93c2e3779bd"},{"fixed":"9973026f572db6b67570cadc30942f3014e41079"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80679.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.3.0"},{"fixed":"5.10.265"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.216"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.183"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80679.json"}}],"schema_version":"1.9.0"}