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.
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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
- 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
- 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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