Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2018-11412 — Use After Free in Linux

CWE-416 — Use After FreeCWE-805 — Buffer Access with Incorrect Length Value17 documents10 sources
Severity
5.9MEDIUMNVD
OSV5.5
EPSS
11.2%
top 6.47%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
3
Linux KernelDebian LinuxCanonical Ubuntu Linux
Timeline
PublishedMay 24
Latest updateMay 14

Description

In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages4 packages

▶Debianlinux/linux_kernel< 4.17.3-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-33.36
▶NVDlinux/linux_kernel4.13 — 4.16.11
▶debiandebian/linux< linux 4.17.3-1 (bookworm)

Also affects: Ubuntu Linux 16.04, 18.04

🔴Vulnerability Details

7
GHSA
GHSA-p2xr-7hvv-jq75: In the Linux kernel 4↗2022-05-14
▶
OSV
linux-azure, linux-oem, linux-gcp vulnerabilities↗2018-08-28
▶
OSV
linux, linux-aws, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities↗2018-08-24
▶
OSV
linux-hwe vulnerabilities↗2018-08-24
▶
OSV
CVE-2018-11412: In the Linux kernel 4↗2018-05-24
▶

💥Exploits & PoCs

1
Exploit-DB
Linux Kernel < 4.16.11 - 'ext4_read_inline_data()' Memory Corruption↗2018-06-05
▶

📋Vendor Advisories

5
Ubuntu
Linux kernel (Azure, GCP, OEM) vulnerabilities↗2018-08-28
▶
Ubuntu
Linux kernel vulnerabilities↗2018-08-24
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2018-08-24
▶
Red Hat
kernel: out-of-bounds memcpy in fs/ext4/inline.c:ext4_read_inline_data() with crafted ext4 image↗2018-05-22
▶
Debian
CVE-2018-11412: linux - In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inl...↗2018
▶

📄Research Papers

1
arXiv
The Security War in File Systems: An Empirical Study from A Vulnerability-Centric Perspective↗2022-04-26
▶

💬Community

2
Bugzilla
CVE-2018-11412 kernel: out-of-bounds memcpy in fs/ext4/inline.c:ext4_read_inline_data() with crafted ext4 image [fedora-all]↗2018-05-25
▶
Bugzilla
CVE-2018-11412 kernel: out-of-bounds memcpy in fs/ext4/inline.c:ext4_read_inline_data() with crafted ext4 image↗2018-05-25
▶