{"id":"CVE-2026-64049","summary":"drm/msm/adreno: fix userspace-triggered crash on a2xx-a4xx","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/adreno: fix userspace-triggered crash on a2xx-a4xx\n\nBefore a5xx Adreno driver will not try fetching UBWC params (because\nthose generations didn't support UBWC anyway), however it's still\npossible to query UBWC-related params from the userspace, triggering\npossible NULL pointer dereference. Check for UBWC config in\nadreno_get_param() and return sane defaults if there is none.\n\nPatchwork: https://patchwork.freedesktop.org/patch/717778/","modified":"2026-07-21T03:47:52.007947393Z","published":"2026-07-19T15:39:33.308Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64049.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/22fc33d9b67694b24e0deb3f08c622464338cecb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2b4abf879360ea00a9e2b46d2d15dcdbc0687eed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eea43d5ed45089705bc5d70971c39076962d5951"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64049.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64049"},{"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":"a452510aad53f665eb422784ff525c4889aa246f"},{"fixed":"eea43d5ed45089705bc5d70971c39076962d5951"},{"fixed":"22fc33d9b67694b24e0deb3f08c622464338cecb"},{"fixed":"2b4abf879360ea00a9e2b46d2d15dcdbc0687eed"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64049.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.17.0"},{"fixed":"6.18.34"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.11"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64049.json"}}],"schema_version":"1.7.5"}