CVE-2019-12380 Null dereference in n/a

What is CVE-2019-12380?

CVE-2019-12380 is a medium-severity vulnerability in Linux kernel, published on 28 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

**DISPUTED** An issue was discovered in the efi subsystem in the Linux kernel through 5.1.5. phys_efi_set_virtual_address_map in arch/x86/platform/efi/efi.c and efi_call_phys_prolog in arch/x86/platform/efi/efi_64.c mishandle memory allocation failures. NOTE: This id is disputed as not being an issue because “All the code touched by the referenced commit runs only at boot, before any user processes are started. Therefore, there is no possibility for an unprivileged user to control it.”.

Weakness: CWE-388

Which versions are affected by CVE-2019-12380?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2019-12380?

Apply the vendor's patch.

Is CVE-2019-12380 being exploited?

There is no known exploitation of CVE-2019-12380 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-12380, GHSA-7xmv-6q8v-3hhw, ROOT-OS-DEBIAN-12-CVE-2019-12380, UBUNTU-CVE-2019-12380.