{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-25669", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "Linux Kernel", "version": { "version_data": [ { "version_value": "5.9.4" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-416" } ] } ] }, "references": { "reference_data": [ { "refsource": "MLIST", "name": "[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit", "url": "http://www.openwall.com/lists/oss-security/2020/11/05/2" }, { "refsource": "MLIST", "name": "[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit", "url": "http://www.openwall.com/lists/oss-security/2020/11/20/5" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update", "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update", "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html" }, { "refsource": "MISC", "name": "https://www.openwall.com/lists/oss-security/2020/11/05/2,", "url": "https://www.openwall.com/lists/oss-security/2020/11/05/2," }, { "refsource": "MISC", "name": "https://www.openwall.com/lists/oss-security/2020/11/20/5,", "url": "https://www.openwall.com/lists/oss-security/2020/11/20/5," }, { "refsource": "MISC", "name": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e", "url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20210702-0006/", "url": "https://security.netapp.com/advisory/ntap-20210702-0006/" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free." } ] } }