CVE-2018-10877
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
Does this matter?
Lower severity and a low EPSS score (2.22%). Track it; it rarely justifies an emergency change on its own.
Description
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.22% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- canonical/ubuntu linux · linux/linux kernel · debian/debian linux · redhat/enterprise linux
- Source
- secalert@redhat.com
EPSS 2.2% 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/104878
- http://www.securityfocus.com/bid/106503Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/Third Party Advisory
- https://usn.ubuntu.com/3754-1/Third Party Advisory
- https://usn.ubuntu.com/3871-1/Third Party Advisory
- https://usn.ubuntu.com/3871-3/Third Party Advisory
- https://usn.ubuntu.com/3871-4/Third Party Advisory
- https://usn.ubuntu.com/3871-5/Third Party Advisory
- http://www.securityfocus.com/bid/104878
- http://www.securityfocus.com/bid/106503Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/Third Party Advisory
- https://usn.ubuntu.com/3754-1/Third Party Advisory
- https://usn.ubuntu.com/3871-1/Third Party Advisory
- https://usn.ubuntu.com/3871-3/Third Party Advisory
- https://usn.ubuntu.com/3871-4/Third Party Advisory
- https://usn.ubuntu.com/3871-5/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.