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Public proof of conceptFix available

CVE-2022-38096

A public proof of concept exists; no exploitation attested.

  • Published2022-09-09
  • Fixed in5.14
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

Timeline

dates in UTC
  1. 2022-09-0915:15CVE publishedNVD

Versions per branch

CISA-ADP · NVD
Linux linux kernel
BranchAffectedFixed in
5.14≥ v4.20-rc1, < 5.145.14
4.20+≥ 4.20no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Anolis, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Linux kernel
    Affected
    • ≥ v4.20-rc1, < 5.13.0-52*fixed in 5.13.0-52*custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-06-25

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • bpftoolTuxCare:AlmaLinux:9.2all versions · fixed in 7.0.0-284.30.1.el9_2.tuxcare.els6
  • bpftoolRed Hat:rhel_eus:9.2::baseosall versions · fixed in 0:7.0.0-284.55.1.el9_2and 1 other package
  • bpftoolRed Hat:enterprise_linux:9::baseosall versions · fixed in 0:7.3.0-427.13.1.el9_4
  • bpftoolAlmaLinux:9all versions · fixed in 7.3.0-427.13.1.el9_4
  • bpftool-debuginfoRed Hat:rhel_eus:9.2::crball versions · fixed in 0:7.0.0-284.55.1.el9_2
  • bpftool-debuginfoRed Hat:rhel_eus:9.2::appstreamall versions · fixed in 0:7.0.0-284.55.1.el9_2
  • bpftool-debuginfoRed Hat:enterprise_linux:9::appstreamall versions · fixed in 0:7.3.0-427.13.1.el9_4
  • dtb-aarch64openSUSE:Leap 15.5all versions · fixed in 5.14.21-150500.55.7.1and 10 other packages

158 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-38096 Red Hat Product Security1,425 products fixed · 64 known affected

    kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query

    kernel as a component of Red Hat Enterprise Linux 6 · kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6 · kernel-bootwrapper as a component of Red Hat Enterprise Linux 6 · +61 more

  • RHSA-2024:2093 Red Hat Product Security63 products fixed

    Red Hat Security Advisory: security update Logging for Red Hat OpenShift - 5.7.13

  • RHSA-2024:2394 Red Hat Product Security279 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

  • RHSA-2024:1614 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: kernel-rt security and bug fix update

  • RHSA-2024:1607 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

  • RHSA-2024:1404 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

7 more advisories

Full record on NVD

Fix

  1. Update Linux linux kernel to 5.14
  2. Vendor fix Red Hat Product Security RHSA-2024:2093 · 63 productsFor OpenShift Container Platform 4.11 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update: https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-not…
  3. Vendor fix Red Hat Product Security RHSA-2024:2394 · 279 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
  4. Vendor fix Red Hat Product Security RHSA-2024:1268 · 97 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
  5. Workaround from the vendor Red Hat Product Security RHSA-2024:2093 · 63 productsTo mitigate this issue, it is possible to prevent the affected code from being loaded by blacklisting the vmwgfx kernel module. For instructions relating to blacklisting a kernel module, please see https://access.redhat.com/solutions/41278.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2024-06-26
  • CNACVSS 3.16.3known since 2026-10-23
  • NVDCVSS 3.15.5read 2026-10-23
  • CNAweakness (CWE)CWE-476known since 2026-10-23
  • NVDweakness (CWE)CWE-476read 2026-10-23
  • FIRST EPSSEPSS score0.8 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published
2022-09-09
Last Modified
2026-10-14
NVD status
Modified
GitHub Advisory
GHSA-4vrg-gm73-c852

Frequently asked questions

What is CVE-2022-38096?

A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

Is CVE-2022-38096 actively exploited?

A proof-of-concept exploit exists for CVE-2022-38096, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-38096?

CVE-2022-38096 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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