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CVE-2018-10878

25
FAUCET Score

CVE-2018-10878 describes an out-of-bounds write vulnerability in the Linux kernel's ext4 filesystem, affecting Canonical, Debian, Linux, and Red Hat distributions. A local attacker can trigger a denial of service or other unspecified impacts by mounting a specially crafted ext4 filesystem image. This vulnerability carries a high CVSS score of 7.8, indicating high impact on confidentiality, integrity, and availability with low attack complexity and no user interaction required. Despite its severity, there is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
< 3.16.58CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 3.18.124CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.8MEDIUM

CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
0.5
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 87th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-957.rt56.910.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-115.el7a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-957.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2018-10878Moderate

kernel: out-of-bound write in ext4_init_block_bitmap function with a crafted ext4 image

May 28, 2018

References

patchwork.ozlabs.org / patch/929237
PatchThird Party Advisory
patchwork.ozlabs.org / patch/929238
PatchThird Party Advisory
access.redhat.com / errata/RHSA-2018:2948
Third Party Advisory
access.redhat.com / errata/RHSA-2018:3083
Third Party Advisory
access.redhat.com / errata/RHSA-2018:3096
Third Party Advisory
bugzilla.kernel.org / show_bug.cgi
ExploitIssue TrackingPatchVendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00020.html
Mailing ListThird Party Advisory
usn.ubuntu.com / 3753-1
Third Party Advisory
usn.ubuntu.com / 3753-2
Third Party Advisory
usn.ubuntu.com / 3871-1
Third Party Advisory
usn.ubuntu.com / 3871-3
Third Party Advisory
usn.ubuntu.com / 3871-4
Third Party Advisory
usn.ubuntu.com / 3871-5
Third Party Advisory