PRIOn knowledge basePRION:CVE-2019-12818Null pointer dereference
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| linux_kernel | lt | 4.20.15 |
References
lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
www.securityfocus.com/bid/108776
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5
github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5
security.netapp.com/advisory/ntap-20190710-0002/
support.f5.com/csp/article/K91444306
usn.ubuntu.com/4094-1/
usn.ubuntu.com/4118-1/
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15
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