CVE-2026-89502

{"id": "CVE-2026-89502", "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": "f9b94daa542a8d2532f0930f01cd9aec2d19621b", "lessThan": "77275ccea06eaf297e8e6ac3fc830cb72086379a", "versionType": "git"}, {"status": "affected", "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b", "lessThan": "8c1ecdcdea738efe0494af908f12c0ae3a97fffa", "versionType": "git"}, {"status": "affected", "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b", "lessThan": "81063bbb16c4fcf0136c9117d5e49d3621dd6a1e", "versionType": "git"}, {"status": "affected", "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b", "lessThan": "234b1a72e9706fe20c08c96f4374ec8e83b934cb", "versionType": "git"}], "programFiles": ["kernel/trace/ring_buffer.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"status": "unaffected", "version": "0", "lessThan": "6.8", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.109", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"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": ["kernel/trace/ring_buffer.c"], "defaultStatus": "affected"}]}], "published": "2026-09-11T20:19:32.423", "references": [{"url": "https://git.kernel.org/stable/c/234b1a72e9706fe20c08c96f4374ec8e83b934cb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/77275ccea06eaf297e8e6ac3fc830cb72086379a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/81063bbb16c4fcf0136c9117d5e49d3621dd6a1e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8c1ecdcdea738efe0494af908f12c0ae3a97fffa", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nring-buffer: Free cpu_buffer::free_page with subbuf_order\n\nWhen sub-buffers use an order greater than 0, cpu_buffer->free_page is\nallocated with subbuf_order. Use the correct order for\ncpu_buffer->free_page."}], "lastModified": "2026-09-11T20:19:32.423", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}