NULL pointer dereference in Kernel
Priority LOW 25CWE-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
- Partial Red Hat: 12 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.
Why it matters now
EPSS 0.00497 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 5 advisoriesRed Hat: 12 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Kernel | Linux kernel 5.17-rc2 | — | No fix listed | CNA |
- Kernel Vendor— Affected Linux kernel 5.17-rc2 Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.2.1 to before 5.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc1:*:*:*:*:*:* | 4.2 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc2:*:*:*:*:*:* | 4.2 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc3:*:*:*:*:*:* | 4.2 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc4:*:*:*:*:*:* | 4.2 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc5:*:*:*:*:*:* | 4.2 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc6:*:*:*:*:*:* | 4.2 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc7:*:*:*:*:*:* | 4.2 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2:rc8:*:*:*:*:*:* | 4.2 rc8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.2.1 to before 5.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc1:*:*:*:*:*:* Versions 4.2 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc2:*:*:*:*:*:* Versions 4.2 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc3:*:*:*:*:*:* Versions 4.2 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc4:*:*:*:*:*:* Versions 4.2 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc5:*:*:*:*:*:* Versions 4.2 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc6:*:*:*:*:*:* Versions 4.2 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc7:*:*:*:*:*:* Versions 4.2 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2:rc8:*:*:*:*:*:* Versions 4.2 rc8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Linux
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:* | 5.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* | 5.17 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* | 5.17 rc2 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:* Versions 5.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* Versions 5.17 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* Versions 5.17 rc2 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
Red Hat 5 advisories
- RHSA-2024:0724 Released 2024-02-07 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.91.1.el8_6
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.91.1.el8_6, kernel-4.18.0-372.91.1.el8_6, kernel-abi-stablelists-4.18.0-372.91.1.el8_6 +19
- Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.91.1.el8_6, perf-4.18.0-372.91.1.el8_6
- RHSA-2022:8267 Released 2022-11-15 · Red Hat rating Moderatekernel 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 Moderatekernel-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
Show 2 more Red Hat advisories
- RHSA-2022:7683 Released 2022-11-08 · Red Hat rating Moderatekernel 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
- RHSA-2022:7444 Released 2022-11-08 · Red Hat rating Moderatekernel-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: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2022:7683 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2022:8267 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:0724 |
| 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 BaseOS EUS (v.8.6) | Fixed | RHSA-2024:0724 |
| 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 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2024:0724 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2022-0617
- 2026-10-03 Alias added: GHSA-c98j-g7vx-36gj
References
Patch 2
Advisory 4
Sources
- CVE-2022-0617 · CVE Program
- CVE-2022-0617 · NVD
- FIRST EPSS
- GHSA-c98j-g7vx-36gj · GitHub Advisory Database · CC BY 4.0
- CVE-2022-0617 · Red Hat security data · CC BY 4.0
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