{"id":"CVE-2019-12818","state":"PUBLISHED","title":"An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it wi","description":"An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c.","publishedAt":"2019-06-14T01:24:42.000Z","updatedAt":"2024-08-04T23:32:55.457Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5","https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15","http://www.securityfocus.com/bid/108776","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html","https://support.f5.com/csp/article/K91444306","https://security.netapp.com/advisory/ntap-20190710-0002/","https://usn.ubuntu.com/4094-1/","http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html","https://usn.ubuntu.com/4118-1/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:24.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/12xxx/CVE-2019-12818.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-12818","state":"PUBLISHED","datePublished":"2019-06-14T01:24:42.000Z","dateUpdated":"2024-08-04T23:32:55.457Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-06-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5","tags":["x_refsource_MISC"]},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5","tags":["x_refsource_MISC"]},{"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15","tags":["x_refsource_MISC"]},{"url":"http://www.securityfocus.com/bid/108776","name":"108776","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html","name":"openSUSE-SU-2019:1570","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html","name":"openSUSE-SU-2019:1571","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html","name":"openSUSE-SU-2019:1579","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://support.f5.com/csp/article/K91444306","tags":["x_refsource_CONFIRM"]},{"url":"https://security.netapp.com/advisory/ntap-20190710-0002/","tags":["x_refsource_CONFIRM"]},{"url":"https://usn.ubuntu.com/4094-1/","name":"USN-4094-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html","tags":["x_refsource_MISC"]},{"url":"https://usn.ubuntu.com/4118-1/","name":"USN-4118-1","tags":["vendor-advisory","x_refsource_UBUNTU"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2019-09-02T23:06:17.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-12818","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5","refsource":"MISC","url":"https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5"},{"name":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5","refsource":"MISC","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5"},{"name":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15","refsource":"MISC","url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15"},{"name":"108776","refsource":"BID","url":"http://www.securityfocus.com/bid/108776"},{"name":"openSUSE-SU-2019:1570","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html"},{"name":"openSUSE-SU-2019:1571","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html"},{"name":"openSUSE-SU-2019:1579","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html"},{"name":"https://support.f5.com/csp/article/K91444306","refsource":"CONFIRM","url":"https://support.f5.com/csp/article/K91444306"},{"name":"https://security.netapp.com/advisory/ntap-20190710-0002/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20190710-0002/"},{"name":"USN-4094-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4094-1/"},{"name":"http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html"},{"name":"USN-4118-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4118-1/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/108776","name":"108776","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html","name":"openSUSE-SU-2019:1570","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html","name":"openSUSE-SU-2019:1571","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html","name":"openSUSE-SU-2019:1579","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://support.f5.com/csp/article/K91444306","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20190710-0002/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://usn.ubuntu.com/4094-1/","name":"USN-4094-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://usn.ubuntu.com/4118-1/","name":"USN-4118-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T23:32:55.457Z"}}]}}}