5.5

CVE-2018-10876: canonical ubuntu_linux Use After Free

Modified
AliasesUBUNTU-CVE-2018-10876DEBIAN-CVE-2018-10876CGA-225x-2r28-9wv7
Published 26-07-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-10876 is a medium (CVSS 5.5) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 55.7% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 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
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 23 · Related 18
DLA-1423-1DLA-1529-1MGASA-2018-0324MGASA-2018-0340MGASA-2018-0341RHSA-2019:0525

Timeline

  1. 26-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.77% 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

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.kernel.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard83 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12< 6.12.65-r0 | All versions (No fix recorded)
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Ubuntu23 products
  • linuxAll versions (No fix recorded) | < 4.4.0-134.160 | < 4.15.0-44.47
  • linux-aws< 4.4.0-1028.31 | < 4.4.0-1066.76 | < 4.15.0-1032.34
  • linux-aws-hwe< 4.15.0-1032.34~16.04.1
  • linux-azure< 4.15.0-1037.39~14.04.2 | < 4.15.0-1037.39~16.04.1 | < 4.15.0-1037.39
  • linux-azure-6.11All versions (No fix recorded)
Debian2 products
[unknown]1 product
Canonical1 product
Linux1 product

6 vendors · 111 products

References

23 links
Show all 23 references