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TI-2022-02867 Aliases CVE-2022-3107GHSA-r839-rgcg-37rj

NULL pointer dereference in Kernel

Priority LOW 24CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

An issue was discovered in the Linux kernel through 5.16-rc6. netvsc_get_ethtool_stats in drivers/net/hyperv/netvsc_drv.c lacks check of the return value of kvmalloc_array() and will cause the null pointer dereference.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00222 12th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—KernelLinux 5.16-rc6—No fix listedCNA
  • Kernel Vendor— Affected Linux 5.16-rc6 Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.16.0VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:-:*:*:*:*:*:*5.16.0VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:rc1:*:*:*:*:*:*5.16.0 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:rc2:*:*:*:*:*:*5.16.0 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:rc3:*:*:*:*:*:*5.16.0 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:rc4:*:*:*:*:*:*5.16.0 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:rc5:*:*:*:*:*:*5.16.0 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16.0:rc6:*:*:*:*:*:*5.16.0 rc6VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.16.0 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:-:*:*:*:*:*:* Versions 5.16.0 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:rc1:*:*:*:*:*:* Versions 5.16.0 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:rc2:*:*:*:*:*:* Versions 5.16.0 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:rc3:*:*:*:*:*:* Versions 5.16.0 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:rc4:*:*:*:*:*:* Versions 5.16.0 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:rc5:*:*:*:*:*:* Versions 5.16.0 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16.0:rc6:*:*:*:*:*:* Versions 5.16.0 rc6 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2022:8267 Released 2022-11-15 · Red Hat rating Moderate
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-162.6.1.el9_1
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-162.6.1.el9_1, kernel-debug-devel-matched-5.14.0-162.6.1.el9_1, kernel-devel-5.14.0-162.6.1.el9_1 +5
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-162.6.1.el9_1, kernel-5.14.0-162.6.1.el9_1, kernel-abi-stablelists-5.14.0-162.6.1.el9_1 +14
  • RHSA-2022:7933 Released 2022-11-15 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core-5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-5.14.0-162.6.1.rt21.168.el9_1 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core-5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-5.14.0-162.6.1.rt21.168.el9_1 +9
  • RHSA-2022:7683 Released 2022-11-08 · Red Hat rating Moderate
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-425.3.1.el8
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-425.3.1.el8, kernel-4.18.0-425.3.1.el8, kernel-abi-stablelists-4.18.0-425.3.1.el8 +19
Show 1 more Red Hat advisories
  • RHSA-2022:7444 Released 2022-11-08 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-425.3.1.rt7.213.el8, kernel-rt-core-4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-4.18.0-425.3.1.rt7.213.el8 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-425.3.1.rt7.213.el8, kernel-rt-core-4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-4.18.0-425.3.1.rt7.213.el8 +9

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2022:7683
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2022:8267
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:8267
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2022:7683
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2022:8267
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2022:7444
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2022:7933
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2022:7444
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2022:7933
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-3107
  2. 2026-10-03 Alias added: GHSA-r839-rgcg-37rj

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources