6.5

CVE-2019-12067: debian debian_linux NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2019-12067DEBIAN-CVE-2019-12067CGA-3wcq-q8gx-6pjq
Published 02-06-2021Last modified 04-08-2024

Vulnerability summary

CVE-2019-12067 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 23.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.31%
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 3 · Related 3

Timeline

  1. 02-06-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.31% 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.

Chainguard14 products
  • qemuAll versions (No fix recorded)
  • qemu-block-iscsiAll versions (No fix recorded)
  • qemu-block-rbdAll versions (No fix recorded)
  • qemu-edk2-aarch64All versions (No fix recorded)
  • qemu-edk2-x86_64All versions (No fix recorded)
Wolfi14 products
  • qemuAll versions (No fix recorded)
  • qemu-block-iscsiAll versions (No fix recorded)
  • qemu-block-rbdAll versions (No fix recorded)
  • qemu-edk2-aarch64All versions (No fix recorded)
  • qemu-edk2-x86_64All versions (No fix recorded)
Debian2 products
  • qemuAll versions (No fix recorded)
  • debian_linuxEOL9.0 | 10.0 | 11.0
Redhat2 products
Ubuntu2 products
  • qemuAll versions (No fix recorded)
  • qemu-hweAll versions (No fix recorded)
Fedoraproject1 product
Qemu1 product

7 vendors · 36 products

References

7 links