VulnerabilityModified
CVE-2018-10840
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function.
MEDIUM 6.6EPSS 0.67%
Does this matter?
Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.
Description
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
- CVSS 3.1
- 6.6 MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.67% probability · 52th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- linux/linux kernel · canonical/ubuntu linux · redhat/enterprise linux
- Source
- secalert@redhat.com
EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/104858Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0162Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840Exploit, Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3752-1/Third Party Advisory
- https://usn.ubuntu.com/3752-2/Third Party Advisory
- https://usn.ubuntu.com/3752-3/Third Party Advisory
- http://www.securityfocus.com/bid/104858Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0162Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840Exploit, Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3752-1/Third Party Advisory
- https://usn.ubuntu.com/3752-2/Third Party Advisory
- https://usn.ubuntu.com/3752-3/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.