{"id":"CVE-2024-56775","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-56775","generatedAt":"2026-10-28T08:10:55.219Z","title":"In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix handling of plane refcount [Why] The mechanism to backup and restore plane states doesn't maintain refcount, which can cause issues if the refcount of the plane…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix handling of plane refcount\n\n[Why]\nThe mechanism to backup and restore plane states doesn't maintain\nrefcount, which can cause issues if the refcount of the plane changes\nin between backup and restore operations, such as memory leaks if the\nrefcount was supposed to go down, or double frees / invalid memory\naccesses if the refcount was supposed to go up.\n\n[How]\nCache and re-apply current refcount when restoring plane states.","published":"2025-01-08T18:15:18.000Z","lastModified":"2026-06-17T08:12:58.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-401","CWE-415"],"affected":["linux/linux kernel"],"epss":{"score":0.00207,"percentile":0.10701,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/27227a234c1487cb7a684615f0749c455218833a","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8cb2f6793845f135b28361ba8e96901cae3e5790","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-56775","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}