7.5

CVE-2019-12818

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 4.20.15
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.48% 0.917
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/4118-1/
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
https://security.netapp.com/advisory/ntap-20190710-0002/
http://www.securityfocus.com/bid/108776
Third Party Advisory
VDB Entry
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5
Patch
Vendor Advisory
Mailing List
https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5
Patch
Third Party Advisory
https://support.f5.com/csp/article/K91444306
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15
Vendor Advisory
Mailing List
Release Notes