{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"bbd53d05c4c892080ef3b617eff4f57903acecb9","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"b119bedbefb7dd9ed8bf8cb9f1056504250d610e","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"727ed7d28348c026c7ef4d852f3d0e5054d376e8","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"0f2c681900a01e3f23789bca26d88268c3d5b51d","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"7a05e3929668c8cfef495c69752a9e91fac4878f","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"d4b8394725079670be309f9a35ad88a8cbbaaefd","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"},{"lessThan":"98a2ac1ca8fd6eca6867726fe238d06e75eb1acd","status":"affected","version":"1fa5ae857bb14f6046205171d98506d8112dd74e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.30"},{"lessThan":"2.6.30","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"4.9.*","status":"unaffected","version":"4.9.334","versionType":"semver"},{"lessThanOrEqual":"4.14.*","status":"unaffected","version":"4.14.300","versionType":"semver"},{"lessThanOrEqual":"4.19.*","status":"unaffected","version":"4.19.267","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.225","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.156","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.80","versionType":"semver"},{"lessThanOrEqual":"6.0.*","status":"unaffected","version":"6.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.1","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2022-49821","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmISDN: fix possible memory leak in mISDN_dsp_element_register()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically,\nuse put_device() to give up the reference, so that the name can be\nfreed in kobject_cleanup() when the refcount is 0.\n\nThe 'entry' is going to be freed in mISDN_dsp_dev_release(), so the\nkfree() is removed. list_del() is called in mISDN_dsp_dev_release(),\nso it need be initialized.","epss":{"date":"2026-11-05","percentile":0.10284,"score":0.00202},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793908807650,"publishedAt":1746108582901,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/bbd53d05c4c892080ef3b617eff4f57903acecb9"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/b119bedbefb7dd9ed8bf8cb9f1056504250d610e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/727ed7d28348c026c7ef4d852f3d0e5054d376e8"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0f2c681900a01e3f23789bca26d88268c3d5b51d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7a05e3929668c8cfef495c69752a9e91fac4878f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d4b8394725079670be309f9a35ad88a8cbbaaefd"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/98a2ac1ca8fd6eca6867726fe238d06e75eb1acd"}],"remediation":[],"revision":"b655b611781c4971af2f18dc2acde65f9e676b614cbae2e62db29df307b30db1","sources":[{"modifiedAt":1793908807650,"name":"CNA: Linux","retrievedAt":1793909452051,"url":"https://www.cve.org/CVERecord?id=CVE-2022-49821"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793909487774,"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-49821"}],"ssvc":{"assessedAt":1793908173695,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"mISDN: fix possible memory leak in mISDN_dsp_element_register()","updatedAt":1793909487774}