CVE-2023-4732

A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.

Score

CVSS 3.1 4.7 Medium

Status

Modified - secalert@redhat.com

Published

2023-10-03

Last modified

2025-11-07

Weaknesses

CWE-362, CWE-366

Affected products

• Linux Kernel (Linux)
• Codeready Linux Builder (Redhat)
• Codeready Linux Builder For Arm64 (Redhat)
• Codeready Linux Builder For Power Little Endian (Redhat)
• Enterprise Linux (Redhat)
• Enterprise Linux For Arm 64 (Redhat)
• Enterprise Linux For Ibm Z Systems (Redhat)
• Enterprise Linux For Power Little Endian (Redhat)
• Enterprise Linux For Real Time (Redhat)
• Enterprise Linux For Real Time For Nfv (Redhat)
• Rhel Eus (Redhat)
• Rhev Hypervisor (Redhat)

References

• https://access.redhat.com/errata/RHSA-2023:6901
• https://access.redhat.com/errata/RHSA-2023:7077
• https://access.redhat.com/errata/RHSA-2023:7539
• https://access.redhat.com/errata/RHSA-2024:0412
• https://access.redhat.com/security/cve/CVE-2023-4732
• https://bugzilla.redhat.com/show_bug.cgi?id=2236982