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VulniPulse
Advisory severityMedium5.5Red Hat Linux

Medium [CVE-2022-1184] use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block in the Linux kernel’s filesystem sub-component

This medium-severity Red Hat Linux advisory covers CVE-2022-1184 affecting Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2022-1184 Source published Source updated

VulniPulse record published

Affected products & platforms
Red Hat LinuxLinux Kernel
Open source advisory

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Summary

A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.

Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-416.

Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Enterprise Linux 9; Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat fixing advisory: RHSA-2022:7444, RHSA-2022:7683, RHSA-2024:1877, RHSA-2022:8267, RHSA-2022:7933.

Affected products named by the advisory: Red Hat package: kernel-rt.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 13 hours ago·verify at source

Fixed versions
  • kernel-rt-0:4.18.0-425.3.1.rt7.213.el8
  • kernel-0:4.18.0-425.3.1.el8
  • kernel-0:4.18.0-372.100.1.el8_6
  • kernel-0:5.14.0-162.6.1.el9_1
  • kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1
  • RHSA-2022:7444
  • RHSA-2022:7683
  • RHSA-2024:1877
  • RHSA-2022:8267
  • RHSA-2022:7933

Official advisory · high-confidence parse· fetched 13 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 13 hours ago·verify at source

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