7.8

CVE-2018-8822: canonical ubuntu_linux

Modified
AliasesUBUNTU-CVE-2018-8822DEBIAN-CVE-2018-8822
Published 20-03-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-8822 is a high (CVSS 7.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 44.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.53%
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 19 · Related 16
DLA-1369-1DSA-4187-1DSA-4188-1OPENSUSE-SU-2024:10728-1OPENSUSE-SU-2024:13704-1SUSE-SU-2018:1048-1

Timeline

  1. 20-03-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.53% 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

Affected systems

Version check

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

Ubuntu22 products
  • linux< 3.13.0-149.199 | < 4.4.0-127.153
  • linux-aws< 4.4.0-1022.22 | < 4.4.0-1060.69
  • linux-azure< 4.13.0-1018.21
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
Debian2 products
Canonical1 product
Linux1 product
  • linux_kernel≥ 2.6.12, < 3.2.102 | ≥ 3.3, < 3.16.57 | ≥ 3.17, < 3.18.103 | ≥ 3.19, < 4.1.52 | ≥ 4.2, < 4.4.125 | ≥ 4.5, < 4.9.91 | ≥ 4.10, < 4.14.31 | ≥ 4.15, < 4.15.14 | 4.16:rc | 4.16:rc1 | 4.16:rc2 | 4.16:rc3 | 4.16:rc4 | 4.16:rc5 | 4.16:rc6

4 vendors · 26 products

References

26 links
Show all 26 references