{"id":"CVE-2022-49508","state":"PUBLISHED","title":"HID: elan: Fix potential double free in elan_input_configured","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: elan: Fix potential double free in elan_input_configured\n\n'input' is a managed resource allocated with devm_input_allocate_device(),\nso there is no need to call input_free_device() explicitly or\nthere will be a double free.\n\nAccording to the doc of devm_input_allocate_device():\n * Managed input devices do not need to be explicitly unregistered or\n * freed as it will be done automatically when owner device unbinds from\n * its driver (or binding fails).","publishedAt":"2025-02-26T02:13:39.472Z","updatedAt":"2026-05-11T19:01:16.479Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"c92ec22a991778a096342cf1a917ae36c5c86a90","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"f1d4f19a796551edc6679a681ea1756b8c578c08","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"6d0726725c7c560495f5ff364862a2cefea542e3","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"5291451851feeb66fd4bf0826710f482f3b1ab38","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"8bb1716507ebf12d50bbf181764481de3b6bc7fd","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"1af20714fedad238362571620be0bd690ded05b6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-elan.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-elan.c"]}],"references":["https://git.kernel.org/stable/c/c92ec22a991778a096342cf1a917ae36c5c86a90","https://git.kernel.org/stable/c/f1d4f19a796551edc6679a681ea1756b8c578c08","https://git.kernel.org/stable/c/6d0726725c7c560495f5ff364862a2cefea542e3","https://git.kernel.org/stable/c/24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47","https://git.kernel.org/stable/c/5291451851feeb66fd4bf0826710f482f3b1ab38","https://git.kernel.org/stable/c/8bb1716507ebf12d50bbf181764481de3b6bc7fd","https://git.kernel.org/stable/c/1af20714fedad238362571620be0bd690ded05b6"],"weaknesses":["CWE-415"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49508.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49508","state":"PUBLISHED","datePublished":"2025-02-26T02:13:39.472Z","dateUpdated":"2026-05-11T19:01:16.479Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.587Z"},"containers":{"cna":{"title":"HID: elan: Fix potential double free in elan_input_configured","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: elan: Fix potential double free in elan_input_configured\n\n'input' is a managed resource allocated with devm_input_allocate_device(),\nso there is no need to call input_free_device() explicitly or\nthere will be a double free.\n\nAccording to the doc of devm_input_allocate_device():\n * Managed input devices do not need to be explicitly unregistered or\n * freed as it will be done automatically when owner device unbinds from\n * its driver (or binding fails)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"c92ec22a991778a096342cf1a917ae36c5c86a90","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"f1d4f19a796551edc6679a681ea1756b8c578c08","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"6d0726725c7c560495f5ff364862a2cefea542e3","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"5291451851feeb66fd4bf0826710f482f3b1ab38","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"8bb1716507ebf12d50bbf181764481de3b6bc7fd","versionType":"git"},{"version":"9a6a4193d65b853020ef0e66cecdf9e64a863883","status":"affected","lessThan":"1af20714fedad238362571620be0bd690ded05b6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-elan.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-elan.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c92ec22a991778a096342cf1a917ae36c5c86a90"},{"url":"https://git.kernel.org/stable/c/f1d4f19a796551edc6679a681ea1756b8c578c08"},{"url":"https://git.kernel.org/stable/c/6d0726725c7c560495f5ff364862a2cefea542e3"},{"url":"https://git.kernel.org/stable/c/24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47"},{"url":"https://git.kernel.org/stable/c/5291451851feeb66fd4bf0826710f482f3b1ab38"},{"url":"https://git.kernel.org/stable/c/8bb1716507ebf12d50bbf181764481de3b6bc7fd"},{"url":"https://git.kernel.org/stable/c/1af20714fedad238362571620be0bd690ded05b6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:01:16.479Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49508","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T19:38:25.923559Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-415","lang":"en","type":"CWE","description":"CWE-415 Double Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:42.617Z"}}]}}}