7.1

CVE-2018-14611: debian debian_linux Use After Free

Modified
AliasesUBUNTU-CVE-2018-14611DEBIAN-CVE-2018-14611
Published 27-07-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-14611 is a high (CVSS 7.1) Use After Free vulnerability in debian debian_linux. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.6% of scored vulnerabilities. 1 public exploit is recorded.

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
7.1/10
010
High · v2.0 (NVD)
EPSS score
2.49%
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 6 · Related 4
DLA-1715-1DLA-2241-1USN-3932-1USN-3932-2USN-4094-1USN-4118-1

Timeline

  1. 27-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.49%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.49% 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, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu21 products
  • linux< 4.15.0-58.64
  • linux-aws< 4.15.0-1047.49
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1047.49~16.04.1
  • linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1055.60 | < 5.0.0-1014.14~18.04.1
Debian2 products
Linux1 product

3 vendors · 24 products

References

17 links
Show all 17 references