{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-27830", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "kernel", "version": { "version_data": [ { "version_value": "kernel 5.9.14" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "refsource": "MLIST", "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2", "url": "http://www.openwall.com/lists/oss-security/2020/12/08/1" }, { "refsource": "MLIST", "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2", "url": "http://www.openwall.com/lists/oss-security/2020/12/08/4" }, { "refsource": "DEBIAN", "name": "DSA-4843", "url": "https://www.debian.org/security/2021/dsa-4843" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update", "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html" }, { "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1919900", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919900" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20210625-0004/", "url": "https://security.netapp.com/advisory/ntap-20210625-0004/" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash." } ] } }