CVE-2018-13095: linux linux_kernel Out-of-bounds Write

Modified

AliasesRHSA-2019:1350UBUNTU-CVE-2018-13095DEBIAN-CVE-2018-13095

Published 03-07-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-13095 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in linux linux_kernel. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

5.5/10

010

Medium · v3.0 (NVD)

EPSS score

1.53%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 10

RHSA-2019:2029 RHSA-2019:2043 SUSE-SU-2018:2775-1 SUSE-SU-2018:2776-1 SUSE-SU-2018:2858-1 SUSE-SU-2018:2862-1+6 more

Timeline

03-07-2018
PublishedVulnerability first disclosed.
05-08-2024
Last modifiedVulnerability information updated.

Description

An issue was discovered in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.17.3. A denial of service (memory corruption and BUG) can occur for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork.

CVSS metrics

5 scores · 4 sources · 2 versions

v3.05.5v2.04.3

EPSS trend

Probability

1.53%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.53% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.

Affected systems

Version check

Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu25 products

linux< 4.4.0-208.240 | < 4.15.0-141.145
linux-aws< 4.4.0-1090.94 | < 4.4.0-1126.140 | < 4.15.0-1098.105
linux-aws-fips< 4.15.0-2041.43
linux-aws-hwe< 4.15.0-1098.105~16.04.1
linux-azure< 4.15.0-1112.124~14.04.1 | < 4.15.0-1112.124~16.04.1 | < 4.18.0-1011.11~18.04.1