Medium severity4.7NVD Advisory· Published Oct 3, 2023· Updated Jun 17, 2026
CVE-2023-4732
CVE-2023-4732
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
43cpe:/a:redhat:enterprise_linux:8::crb+ 5 more
- cpe:/a:redhat:enterprise_linux:8::crbrange: 0:4.18.0-513.5.1.el8_9
- cpe:/a:redhat:enterprise_linux:8::realtimerange: 0:4.18.0-513.5.1.rt7.307.el8_9
- cpe:/o:redhat:enterprise_linux:6
- cpe:/o:redhat:enterprise_linux:7
- cpe:/o:redhat:enterprise_linux:9
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:/a:redhat:rhel_eus:8.6::crbRange: 0:4.18.0-372.87.1.el8_6
- Red Hat/Red Hat Enterprise Linux 8.8 Extended Update Supportv5cpe:/o:redhat:rhel_eus:8.8::baseosRange: 0:4.18.0-477.36.1.el8_8
- cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:8.0_aarch64:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0_aarch64:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8.0:*:*:*:*:*:*:*
- osv-coords25 versionspkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perf
< 4.18.0-513.5.1.el8_9+ 24 more
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
- (no CPE)range: < 4.18.0-513.5.1.el8_9
Patches
Vulnerability mechanics
References
6- access.redhat.com/errata/RHSA-2023:6901nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2023:7077nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2023:7539nvdThird Party Advisory
- access.redhat.com/security/cve/CVE-2023-4732nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- access.redhat.com/errata/RHSA-2024:0412nvd
News mentions
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