CVE-2018-13096 — Out-of-bounds Read in Linux

CWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write16 documents8 sources
Severity
5.5MEDIUMNVD
OSV3.3
EPSS
0.6%
top 31.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxCanonical Ubuntu Linux+2 more
Timeline
PublishedJul 3
Latest updateMay 13

Description

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶Debianlinux/linux_kernel< 4.19.9-1+3
▶Ubuntulinux/linux_kernel< 4.4.0-139.165+1
▶debiandebian/linux< linux 4.19.9-1 (bookworm)
▶NVDopensuse/leap42.3

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: seclists.org ↗

🔴Vulnerability Details

6
GHSA
GHSA-6pfr-j88m-g4fp: An issue was discovered in fs/f2fs/super↗2022-05-13
▶
OSV
linux-aws vulnerabilities↗2019-09-02
▶
OSV
linux, linux-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities↗2019-08-13
▶
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2018-11-14
▶
OSV
linux-lts-xenial, linux-aws vulnerabilities↗2018-11-14
▶

📋Vendor Advisories

6
Ubuntu
Linux kernel (AWS) vulnerabilities↗2019-09-02
▶
Ubuntu
Linux kernel vulnerabilities↗2019-08-13
▶
Ubuntu
Linux kernel vulnerabilities↗2018-11-14
▶
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities↗2018-11-14
▶
Red Hat
kernel: out-of-bounds memory access in fs/f2fs/super.c↗2018-06-22
▶

📄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-2018-13096 kernel: out-of-bounds memory access in fs/f2fs/super.c↗2018-07-03
▶
Bugzilla
CVE-2018-13096 kernel: out-of-bounds memory access in fs/f2fs/super.c [fedora-all]↗2018-07-03
▶