CVE-2026-89716

{"id": "CVE-2026-89716", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "dc75a0d93bd5a1c64104efb4ec680463afbdd755", "lessThan": "923578d0f0d0703c3db61ab35dc37075ae53b0bd", "versionType": "git"}, {"status": "affected", "version": "dc75a0d93bd5a1c64104efb4ec680463afbdd755", "lessThan": "e23fac4ab2a5728386477b98a402a1042b21bffb", "versionType": "git"}, {"status": "affected", "version": "dc75a0d93bd5a1c64104efb4ec680463afbdd755", "lessThan": "ec7607ac4717ff521c9c1e9d8271c26293345513", "versionType": "git"}], "programFiles": ["drivers/block/zram/backend_deflate.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"status": "unaffected", "version": "0", "lessThan": "6.16", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.50", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.4", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/block/zram/backend_deflate.c"], "defaultStatus": "affected"}]}], "published": "2026-09-11T20:19:59.123", "references": [{"url": "https://git.kernel.org/stable/c/923578d0f0d0703c3db61ab35dc37075ae53b0bd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e23fac4ab2a5728386477b98a402a1042b21bffb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ec7607ac4717ff521c9c1e9d8271c26293345513", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-11T20:19:59.123", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}