7.8

CVE-2018-25015: linux linux_kernel Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2018-25015DEBIAN-CVE-2018-25015
Published 07-06-2021Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-25015 is a high (CVSS 7.8) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 07-06-2021
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel before 4.14.16. There is a use-after-free in net/sctp/socket.c for a held lock after a peel off, aka CID-a0ff660058b8.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.57% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (syzkaller.appspot.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (sites.google.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Ubuntu20 products
  • linuxAll versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
  • linux-azureAll versions (No fix recorded)
Netapp8 products
Debian1 product
  • linux< 4.14.17-1
Linux1 product

4 vendors · 30 products

References

9 links