What’s Vulnerable › Vulnerabilities

CVE-2018-10880

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-07-25 · updated 2026-06-17
• Weakness: CWE-787

Description

Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04
• Debian Linux: 8.0
• Linux kernel: before 4.17.6 — fixed in 4.17.6
• Red Hat Enterprise Linux: 7.0

How to fix

Upgrade to a fixed version: Linux kernel 4.17.6. Check the vendor advisory for mitigations.

References

• http://patchwork.ozlabs.org/patch/930639/
• http://www.securityfocus.com/bid/104907
• http://www.securityfocus.com/bid/106503
• https://access.redhat.com/errata/RHSA-2018:2948
• https://bugzilla.kernel.org/show_bug.cgi?id=200005
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10880
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8cdb5240ec5928b20490a2bb34cb87e9a5f40226
• https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
• https://usn.ubuntu.com/3821-1/
• https://usn.ubuntu.com/3821-2/
• https://usn.ubuntu.com/3871-1/
• https://usn.ubuntu.com/3871-3/

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