{"id":"CVE-2026-89716","revision":"f8a3ec58c27145168db159905da11556","records":[{"revision":"f8a3ec58c27145168db159905da11556","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89716","aliases":[],"title":"zram: validate deflate params","description":"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.","state":0,"publishedAt":"2026-09-11T19:46:29.953+00:00","modifiedAt":"2026-10-19T08:51:29.156+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/block/zram/backend_deflate.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"dc75a0d93bd5a1c64104efb4ec680463afbdd755\",\n                            \"lessThan\": \"923578d0f0d0703c3db61ab35dc37075ae53b0bd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dc75a0d93bd5a1c64104efb4ec680463afbdd755\",\n                            \"lessThan\": \"e23fac4ab2a5728386477b98a402a1042b21bffb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dc75a0d93bd5a1c64104efb4ec680463afbdd755\",\n                            \"lessThan\": \"ec7607ac4717ff521c9c1e9d8271c26293345513\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/block/zram/backend_deflate.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/923578d0f0d0703c3db61ab35dc37075ae53b0bd","https://git.kernel.org/stable/c/e23fac4ab2a5728386477b98a402a1042b21bffb","https://git.kernel.org/stable/c/ec7607ac4717ff521c9c1e9d8271c26293345513"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89716","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89716","identifiers":["CVE-2026-89716"]},"retained":false,"historicalAffected":[]}],"coverage":[]}