5.5

CVE-2017-9242: linux linux_kernel Improper Input Validation

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2017-9242DEBIAN-CVE-2017-9242
Published 27-05-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-9242 is a medium (CVSS 5.5) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.3% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 55 · Related 48
DLA-993-1DSA-3886-1MGASA-2017-0186MGASA-2017-0187MGASA-2017-0188RHSA-2017:1842

Timeline

  1. 27-05-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

0.00 pp

From 0.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu17 products
  • linux< 3.13.0-123.172 | < 4.4.0-83.106
  • linux-aws< 4.4.0-1022.31
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
  • linux< 4.9.30-1
Linux1 product

3 vendors · 19 products

References

18 links
Show all 18 references