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
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. lkdtm_ARRAY_BOUNDS in drivers/misc/lkdtm/bugs.c lacks check of the return value of kmalloc() and will cause the null pointer dereference.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00263 18th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Kernel | Linux 5.16-rc6 | — | No fix listed | CNA |
- Kernel Vendor— Affected Linux 5.16-rc6 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.16.0 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:-:*:*:*:*:*:* | 5.16.0 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:rc1:*:*:*:*:*:* | 5.16.0 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:rc2:*:*:*:*:*:* | 5.16.0 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:rc3:*:*:*:*:*:* | 5.16.0 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:rc4:*:*:*:*:*:* | 5.16.0 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:rc5:*:*:*:*:*:* | 5.16.0 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.16.0:rc6:*:*:*:*:*:* | 5.16.0 rc6 | Vulnerable | Linux |
- 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
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3104
- 2026-10-03 Alias added: GHSA-xpp2-rw22-gf34
References
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2022-3104 · CVE Program
- CVE-2022-3104 · NVD
- FIRST EPSS
- GHSA-xpp2-rw22-gf34 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-3104 · Red Hat security data · CC BY 4.0
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