6

CVE-2017-12168: linux linux_kernel Reachable Assertion

Modified
AliasesUBUNTU-CVE-2017-12168DEBIAN-CVE-2017-12168
Published 20-09-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-12168 is a medium (CVSS 6.0) Reachable Assertion vulnerability in linux linux_kernel. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.0/10
010
Medium · v3.1 (NVD)
EPSS score
0.42%
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 1
RHEA-2017:3163

Timeline

  1. 20-09-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.42% 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, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu8 products
  • linux< 4.13.0-16.19
  • linux-aws< 4.15.0-1001.1
  • linux-azure< 4.15.0-1023.24~14.04.1 | < 4.11.0-1009.9 | < 4.15.0-1002.2
  • linux-gcp< 4.10.0-1004.4 | < 4.15.0-1001.1
  • linux-hwe< 4.8.0-36.36~16.04.1
Debian1 product
  • linux< 4.8.11-1
Linux1 product

3 vendors · 10 products

References

8 links