{"id":"CVE-2025-40276","summary":"drm/panthor: Flush shmem writes before mapping buffers CPU-uncached","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: Flush shmem writes before mapping buffers CPU-uncached\n\nThe shmem layer zeroes out the new pages using cached mappings, and if\nwe don't CPU-flush we might leave dirty cachelines behind, leading to\npotential data leaks and/or asynchronous buffer corruption when dirty\ncachelines are evicted.","modified":"2026-04-02T12:48:21.018770Z","published":"2025-12-06T21:50:59.035Z","related":["SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:20207-1","SUSE-SU-2026:20220-1","SUSE-SU-2026:20228-1","openSUSE-SU-2026:20145-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40276.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/576c930e5e7dcb937648490611a83f1bf0171048"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7a12f9c96d06b145562f76ffb20369b4692f0911"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8355eea2a2e9c323021dfdcb95d7767d382123c4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40276.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40276"},{"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":"8a1cc07578bf42d85f008316873d710ff684dd29"},{"fixed":"8355eea2a2e9c323021dfdcb95d7767d382123c4"},{"fixed":"7a12f9c96d06b145562f76ffb20369b4692f0911"},{"fixed":"576c930e5e7dcb937648490611a83f1bf0171048"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40276.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.10.0"},{"fixed":"6.12.64"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40276.json"}}],"schema_version":"1.7.5"}