{"id":"CVE-2025-40234","state":"PUBLISHED","title":"platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers\n\nDevices without the AWCC interface don't initialize `awcc`. Add a check\nbefore dereferencing it in sleep handlers.","publishedAt":"2025-12-04T15:31:24.871Z","updatedAt":"2026-05-11T21:45:23.282Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"07ac275981b1f11a58dd7bb7790eed66252b072c","status":"affected","lessThan":"24c3812c9e817d19e4842d7495561594de1ddcb4","versionType":"git"},{"version":"07ac275981b1f11a58dd7bb7790eed66252b072c","status":"affected","lessThan":"a49c4d48c3b60926e6a8cec217bf95aa65388ecc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/alienware-wmi-wmax.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.17.6","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/alienware-wmi-wmax.c"]}],"references":["https://git.kernel.org/stable/c/24c3812c9e817d19e4842d7495561594de1ddcb4","https://git.kernel.org/stable/c/a49c4d48c3b60926e6a8cec217bf95aa65388ecc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40234.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40234","state":"PUBLISHED","datePublished":"2025-12-04T15:31:24.871Z","dateUpdated":"2026-05-11T21:45:23.282Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.180Z"},"containers":{"cna":{"title":"platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers\n\nDevices without the AWCC interface don't initialize `awcc`. Add a check\nbefore dereferencing it in sleep handlers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"07ac275981b1f11a58dd7bb7790eed66252b072c","status":"affected","lessThan":"24c3812c9e817d19e4842d7495561594de1ddcb4","versionType":"git"},{"version":"07ac275981b1f11a58dd7bb7790eed66252b072c","status":"affected","lessThan":"a49c4d48c3b60926e6a8cec217bf95aa65388ecc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/alienware-wmi-wmax.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.17.6","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/alienware-wmi-wmax.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/24c3812c9e817d19e4842d7495561594de1ddcb4"},{"url":"https://git.kernel.org/stable/c/a49c4d48c3b60926e6a8cec217bf95aa65388ecc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:45:23.282Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.17.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}