5.5

CVE-2018-10323: canonical ubuntu_linux NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2018-10323USN-4486-1DEBIAN-CVE-2018-10323
Published 24-04-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-10323 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 45.6% 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
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.54%
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 8 · Related 6
DLA-1529-1DSA-4188-1OPENSUSE-SU-2024:10728-1OPENSUSE-SU-2024:13704-1USN-3752-1USN-3752-2

Timeline

  1. 24-04-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.54%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.54% 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, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu16 products
  • linux< 3.13.0-157.207 | < 4.15.0-33.36 | < 4.4.0-189.219
  • linux-aws< 4.15.0-1020.20 | < 4.4.0-1077.81 | < 4.4.0-1113.126
  • linux-azure< 4.15.0-1022.22~16.04.1 | < 4.15.0-1022.23
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-fips< 4.4.0-1045.50 | All versions (No fix recorded)
Debian2 products
Canonical1 product
Linux1 product

4 vendors · 20 products

References

17 links
Show all 17 references