Kernel crash in EXT4 filesystem
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 20 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.
Why it matters now
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
No affected products listed by the sources yet.
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:openatom:openeuler:*:*:*:*:-:-:*:* | 4.19.90 to before 4.19.90-2401.3 | Vulnerable | Openatom |
| cpe:2.3:o:openatom:openeuler:*:*:*:*:-:linux:*:* | 4.19.90 to before 4.19.90-2401.3 | Vulnerable | Openatom |
| cpe:2.3:o:openatom:openeuler:*:*:*:*:-:-:*:* | 5.10.0-60.18.0 to before 5.10.0-183.0.0 | Vulnerable | Openatom |
- cpe:2.3:o:openatom:openeuler:*:*:*:*:-:-:*:* Versions 4.19.90 to before 4.19.90-2401.3 Vulnerable ·Openatom
- cpe:2.3:o:openatom:openeuler:*:*:*:*:-:linux:*:* Versions 4.19.90 to before 4.19.90-2401.3 Vulnerable ·Openatom
- cpe:2.3:o:openatom:openeuler:*:*:*:*:-:-:*:* Versions 5.10.0-60.18.0 to before 5.10.0-183.0.0 Vulnerable ·Openatom
Remediation
Red Hat 9 advisories
- RHSA-2024:2093 Released 2024-05-01 · Red Hat rating Moderatesecurity update Logging for Red Hat OpenShift - 5.7.13
- RHOL 5.7 for RHEL 8 openshift-logging/cluster-logging-operator-bundle, openshift-logging/cluster-logging-rhel8-operator, openshift-logging/elasticsearch-operator-bundle +15
- RHSA-2024:2621 Released 2024-04-30 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-tools-libs-devel-4.18.0-477.55.1.el8_8
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) bpftool-4.18.0-477.55.1.el8_8, kernel-4.18.0-477.55.1.el8_8, kernel-abi-stablelists-4.18.0-477.55.1.el8_8 +19
- RHSA-2024:1836 Released 2024-04-16 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.97.1.el9_0
- Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.97.1.el9_0, kernel-debug-devel-matched-5.14.0-70.97.1.el9_0, kernel-devel-5.14.0-70.97.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.97.1.el9_0, kernel-5.14.0-70.97.1.el9_0, kernel-abi-stablelists-5.14.0-70.97.1.el9_0 +14
Show 6 more Red Hat advisories
- RHSA-2024:1840 Released 2024-04-16 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.97.1.rt21.169.el9_0, kernel-rt-core-5.14.0-70.97.1.rt21.169.el9_0, kernel-rt-debug-5.14.0-70.97.1.rt21.169.el9_0 +7
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.97.1.rt21.169.el9_0, kernel-rt-core-5.14.0-70.97.1.rt21.169.el9_0, kernel-rt-debug-5.14.0-70.97.1.rt21.169.el9_0 +9
- RHSA-2024:1653 Released 2024-04-03 · Red Hat rating Moderatekernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.98.1.el8_6
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.98.1.el8_6, kernel-4.18.0-372.98.1.el8_6, kernel-abi-stablelists-4.18.0-372.98.1.el8_6 +19
- Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.98.1.el8_6, perf-4.18.0-372.98.1.el8_6
- RHSA-2024:1614 Released 2024-04-02 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-core-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-debug-4.18.0-513.24.1.rt7.326.el8_9 +9
- Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-core-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-debug-4.18.0-513.24.1.rt7.326.el8_9 +7
- RHSA-2024:1607 Released 2024-04-02 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.24.1.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.24.1.el8_9, kernel-4.18.0-513.24.1.el8_9, kernel-abi-stablelists-4.18.0-513.24.1.el8_9 +19
- RHSA-2023:2458 Released 2023-05-09 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.11.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.11.1.el9_2, kernel-64k-devel-5.14.0-284.11.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.11.1.el9_2, kernel-5.14.0-284.11.1.el9_2, kernel-64k-5.14.0-284.11.1.el9_2 +29
- Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.11.1.el9_2
- RHSA-2023:2148 Released 2023-05-09 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-core-5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-5.14.0-284.11.1.rt14.296.el9_2 +11
- Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-core-5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-5.14.0-284.11.1.rt14.296.el9_2 +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 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| RHOL 5.7 for RHEL 8 | Fixed | RHSA-2024:2093 |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2024:1607 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:1653 |
| Red Hat CodeReady Linux Builder EUS (v.8.8) | Fixed | RHSA-2024:2621 |
| Red Hat CodeReady Linux Builder EUS (v.9.0) | Fixed | RHSA-2024:1836 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2024:1836 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:1607 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.6) | Fixed | RHSA-2024:1653 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:2621 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.0) | Fixed | RHSA-2024:1836 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux NFV (v. 9) | Fixed | RHSA-2023:2148 |
| Red Hat Enterprise Linux RT (v. 9) | Fixed | RHSA-2023:2148 |
| Red Hat Enterprise Linux Real Time EUS (v.9.0) | Fixed | RHSA-2024:1840 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2024:1614 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) | Fixed | RHSA-2024:1840 |
| Red Hat Enterprise Linux for Real Time (v. 8) | Fixed | RHSA-2024:1614 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2024:1653 |
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33631
- 2026-10-03 Alias added: GHSA-ff22-5jp8-224r
References
Advisory 6
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1032
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1033
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1034
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1035
Other 12
- https://gitee.com/src-openeuler/kernel/pulls/1389
- https://gitee.com/src-openeuler/kernel/pulls/1396
- http://www.openwall.com/lists/oss-security/2024/01/30/3
- http://www.openwall.com/lists/oss-security/2024/01/30/4
- http://www.openwall.com/lists/oss-security/2024/01/30/5
- http://www.openwall.com/lists/oss-security/2024/01/30/9
- http://www.openwall.com/lists/oss-security/2024/01/30/10
- http://www.openwall.com/lists/oss-security/2024/01/31/3
- http://www.openwall.com/lists/oss-security/2024/01/31/2
- http://www.openwall.com/lists/oss-security/2024/02/02/6
- http://www.openwall.com/lists/oss-security/2024/02/02/9
- http://www.openwall.com/lists/oss-security/2024/02/03/1
More openEuler vulnerabilities
- TI-2024-16407 Remote command execution in A-Tune-Collector CVSS 3.1HIGH 8.1
- TI-2025-22539 The giflib open-source component has a buffer overflow vulnerability CVSS 3.1HIGH 7.3
- TI-2021-13009 Pull malicious images may cause process to be hijacked CVSS 3.1CRITICAL 9.8
- TI-2021-13014 Use after free in openEuler 22.03 LTS CVSS 3.1CRITICAL 9.8
- TI-2024-16404 Command injection in ioprobe of gala-gopher CVSS 3.1HIGH 7.8
- TI-2024-16409 Command injection in aops-zeus CVSS 3.1HIGH 7.2
Sources
- CVE-2021-33631 · CVE Program
- CVE-2021-33631 · NVD
- FIRST EPSS
- GHSA-ff22-5jp8-224r · GitHub Advisory Database · CC BY 4.0
- CVE-2021-33631 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences