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Fencer Vulns
high 7.8

CVE-2022-1419 json

The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created…

published 2022-05-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24733

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.

Patch / fix

  • linux linux_kernel 5.6
  • linux Debian 14, Debian 13, Debian 12 5.5.13-1

debian advisories DEBIAN-CVE-2022-1419

  • linux Ubuntu 18.04 LTS 4.15.0-184.194
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1133.143
  • linux-kvm Ubuntu 18.04 LTS 4.15.0-1119.123
  • linux-oracle Ubuntu 18.04 LTS 4.15.0-1098.108
  • linux-raspi2 Ubuntu 18.04 LTS 4.15.0-1114.122
  • linux-dell300x Ubuntu 18.04 LTS 4.15.0-1047.52
  • linux-gcp-4.15 Ubuntu 18.04 LTS 4.15.0-1127.142
  • linux-oem-osp1 Ubuntu 18.04 LTS 5.0.0-1050.55

ubuntu advisories UBUNTU-CVE-2022-1419

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-syms SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 4.12.14-150100.197.114.2
  • kernel-source SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 4.12.14-150100.197.114.2
  • kernel-default SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +7 more 4.12.14-150100.197.114.2
  • kernel-vanilla openSUSE Leap 15.4, openSUSE Leap 15.3 4.12.14-150100.197.114.2
  • kernel-kvmsmall openSUSE Leap 15.4, openSUSE Leap 15.3 4.12.14-150100.197.114.2
  • kernel-zfcpdump SLES 15 SP1-LTSS, openSUSE Leap 15.4, openSUSE Leap 15.3 4.12.14-150100.197.114.2
  • kernel-obs-build SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 4.12.14-150100.197.114.2
  • kernel-syms SLES for SAP 15, SLES 15-LTSS, SLE High Performance Computing 15-LTSS +1 more 4.12.14-150000.150.92.2

suse advisories SUSE-SU-2022:2789-1SUSE-SU-2022:2780-1SUSE-SU-2022:2745-1SUSE-SU-2022:2750-1SUSE-SU-2022:2728-1SUSE-SU-2022:2710-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1419 updated cvss 7.0

kernel: a concurrency use-after-free in vgem_gem_dumb_create

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a kernel

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.