{"id":"CVE-2026-89716","summary":"zram: validate deflate params","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nzram: validate deflate params\n\nWe must validate user-supplied deflate winbits before we pass it to\nzlib_deflate_workspacesize(), which triggers BUG_ON() if winbits value is\noutside of valid ranges.","modified":"2026-09-13T03:47:20.596458081Z","published":"2026-09-11T19:46:29.953Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89716.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/923578d0f0d0703c3db61ab35dc37075ae53b0bd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e23fac4ab2a5728386477b98a402a1042b21bffb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ec7607ac4717ff521c9c1e9d8271c26293345513"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89716.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89716"},{"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":"dc75a0d93bd5a1c64104efb4ec680463afbdd755"},{"fixed":"923578d0f0d0703c3db61ab35dc37075ae53b0bd"},{"fixed":"e23fac4ab2a5728386477b98a402a1042b21bffb"},{"fixed":"ec7607ac4717ff521c9c1e9d8271c26293345513"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89716.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.18.50"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89716.json"}}],"schema_version":"1.9.0"}