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Advisory severityHigh7.8Vendor: MediumRed Hat Linux

High [CVE-2023-1652] use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel

This high-severity Red Hat Linux advisory covers CVE-2023-1652 affecting Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat package: kernel-rt.

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

CVE-2023-1652 Source published Source updated

VulniPulse record published

CVE-2023-1652
Affected products & platforms
Red Hat LinuxLinux Kernel
Open source advisory

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Summary

A use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel. This issue could allow a local attacker to crash the system or it may lead to a kernel information leak problem.

Red Hat severity: Moderate — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/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 Enterprise Linux 9.0 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8 as not affected.

Red Hat fixing advisory: RHSA-2023:6583, RHSA-2025:10174, RHSA-2025:10193, RHSA-2025:10671, RHSA-2025:10675.

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-0:5.14.0-362.8.1.el9_3
  • kernel-0:5.14.0-70.136.1.el9_0
  • kernel-rt-0:5.14.0-70.136.1.rt21.208.el9_0
  • kernel-0:5.14.0-284.124.1.el9_2
  • kernel-rt-0:5.14.0-284.124.1.rt14.409.el9_2
  • RHSA-2023:6583
  • RHSA-2025:10174
  • RHSA-2025:10193
  • RHSA-2025:10671
  • RHSA-2025:10675

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

Discussion(0)

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