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Advisory severityHigh7.0Vendor: MediumRed Hat Linux

High [CVE-2022-1882] use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification after free_pipe_info that is already called

This high-severity Red Hat Linux advisory covers CVE-2022-1882 affecting Red Hat Enterprise Linux 9, Red Hat package: kernel-rt.

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

CVE-2022-1882 Source published Source updated

VulniPulse record published

CVE-2022-1882
Affected products & platforms
Red Hat LinuxLinux Kernel
Open source advisory

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Summary

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Red Hat severity: Moderate — CVSS 7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-416.

Affected Red Hat products: Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2023:2458, RHSA-2023:2148.

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 5 days ago·verify at source

Fixed versions
  • kernel-0:5.14.0-284.11.1.el9_2
  • kernel-rt-0:5.14.0-284.11.1.rt14.296.el9_2
  • RHSA-2023:2458
  • RHSA-2023:2148

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Mitigation

Upgrade to a fixed release: kernel-0:5.14.0-284.11.1.el9_2, kernel-rt-0:5.14.0-284.11.1.rt14.296.el9_2, RHSA-2023:2458, RHSA-2023:2148. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Discussion(0)

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