Security readout for executives and security teams
This is a local denial-of-service issue in openEuler’s kernel filesystem code. A low-privileged local user could trigger an integer overflow that crashes the kernel, affecting system availability. The sources do not show data theft, privilege escalation, or remote exploitation. Exposure appears limited to openEuler kernel 4.19.90 before 4.19.90-2401.3 and 5.10.0-60.18.0 before 5.10.0-183.0.0. Highest concern is multi-user systems, shared compute, or servers running untrusted local workloads on affected kernels. Treat as a moderate availability risk. Patch during the next planned kernel maintenance window, sooner for shared or business-critical openEuler systems where a local crash could disrupt service. Mitigation focus: Update affected openEuler 4.19.90 kernels to 4.19.90-2401.3 or later.; Update affected openEuler 5.10 kernels to 5.10.0-183.0.0 or later.; Follow the relevant openEuler security bulletin for package-specific update guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-190: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-33631 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030CVE reference
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031CVE reference
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1032CVE reference
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1033CVE reference
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1034CVE reference
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1035CVE reference
- https://gitee.com/src-openeuler/kernel/pulls/1389CVE reference
- https://gitee.com/src-openeuler/kernel/pulls/1396CVE reference
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c099c4fdc438014d5893629e70a8ba934433ee8CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.