{"id":"CVE-2026-31547","summary":"drm/xe: Fix missing runtime PM reference in ccs_mode_store","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Fix missing runtime PM reference in ccs_mode_store\n\nccs_mode_store() calls xe_gt_reset() which internally invokes\nxe_pm_runtime_get_noresume(). That function requires the caller\nto already hold an outer runtime PM reference and warns if none\nis held:\n\n  [46.891177] xe 0000:03:00.0: [drm] Missing outer runtime PM protection\n  [46.891178] WARNING: drivers/gpu/drm/xe/xe_pm.c:885 at\n  xe_pm_runtime_get_noresume+0x8b/0xc0\n\nFix this by protecting xe_gt_reset() with the scope-based\nguard(xe_pm_runtime)(xe), which is the preferred form when\nthe reference lifetime matches a single scope.\n\nv2:\n- Use scope-based guard(xe_pm_runtime)(xe) (Shuicheng)\n- Update commit message accordingly\n\n(cherry picked from commit 7937ea733f79b3f25e802a0c8360bf7423856f36)","modified":"2026-06-04T09:14:22.088282217Z","published":"2026-04-24T14:33:15.262Z","related":["SUSE-SU-2026:21841-1","SUSE-SU-2026:21845-1","SUSE-SU-2026:21860-1","SUSE-SU-2026:2217-1","SUSE-SU-2026:2238-1","openSUSE-SU-2026:20826-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31547.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/65d046b2d8e0d6d855379a981869005fd6b6a41b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c409ecce9adcf815e86bc2f68834982e5a9c4e76"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31547.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31547"},{"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":"480b358e7d8ef69fd8f1b0cad6e07c7d70a36ee4"},{"fixed":"c409ecce9adcf815e86bc2f68834982e5a9c4e76"},{"fixed":"65d046b2d8e0d6d855379a981869005fd6b6a41b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31547.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31547.json"}}],"schema_version":"1.7.5"}