CVE-2023-4732
Fixed in a distro release EPSS <1%CVSS 4.7
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.
Products: Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Virtualization 4 for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 8 | bpftool | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-abi-stablelists | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-core | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-cross-headers | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-debug | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-debug-core | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-debug-devel | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-debug-modules | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-debug-modules-extra | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-devel | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-doc | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-headers | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-modules | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-modules-extra | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-tools | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-tools-libs | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-tools-libs-devel | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-zfcpdump | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-zfcpdump-core | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-zfcpdump-devel | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-zfcpdump-modules | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | kernel-zfcpdump-modules-extra | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | perf | 4.18.0-513.5.1.el8_9 |
| AlmaLinux 8 | python3-perf | 4.18.0-513.5.1.el8_9 |
| Debian 12 | linux | 5.14.6-1 |
| Debian 13 | linux | 5.14.6-1 |
| Debian 14 | linux | 5.14.6-1 |
| Red Hat Enterprise Linux 8 | bpftool | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | bpftool-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-abi-stablelists | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-core | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debug | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debug-core | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debug-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debug-devel | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debug-modules | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debug-modules-extra | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debuginfo-common-aarch64 | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debuginfo-common-ppc64le | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debuginfo-common-s390x | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-debuginfo-common-x86_64 | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-devel | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-doc | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-modules | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-modules-extra | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-core | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug-core | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug-debuginfo | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug-devel | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug-kvm | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug-modules | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debug-modules-extra | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debuginfo | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-debuginfo-common-x86_64 | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-devel | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-kvm | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-modules | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-rt-modules-extra | 0:4.18.0-513.5.1.rt7.307.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-tools | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-tools-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-tools-libs | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-tools-libs-devel | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-zfcpdump | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-zfcpdump-core | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-zfcpdump-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-zfcpdump-devel | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-zfcpdump-modules | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | kernel-zfcpdump-modules-extra | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | perf | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | perf-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | python3-perf | 0:4.18.0-513.5.1.el8_9 |
| Red Hat Enterprise Linux 8 | python3-perf-debuginfo | 0:4.18.0-513.5.1.el8_9 |
| Red Hat rhel eus 8.6 | bpftool | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | bpftool-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-abi-stablelists | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-core | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debug | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debug-core | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debug-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debug-devel | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debug-modules | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debug-modules-extra | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debuginfo-common-aarch64 | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debuginfo-common-ppc64le | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debuginfo-common-s390x | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-debuginfo-common-x86_64 | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-devel | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-doc | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-modules | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-modules-extra | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-tools | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-tools-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-tools-libs | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-tools-libs-devel | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-zfcpdump | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-zfcpdump-core | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-zfcpdump-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-zfcpdump-devel | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-zfcpdump-modules | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | kernel-zfcpdump-modules-extra | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | perf | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | perf-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | python3-perf | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.6 | python3-perf-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhel eus 8.8 | bpftool | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | bpftool-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-abi-stablelists | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-core | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debug | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debug-core | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debug-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debug-devel | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debug-modules | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debug-modules-extra | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debuginfo-common-aarch64 | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debuginfo-common-ppc64le | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debuginfo-common-s390x | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-debuginfo-common-x86_64 | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-devel | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-doc | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-modules | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-modules-extra | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-tools | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-tools-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-tools-libs | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-tools-libs-devel | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-zfcpdump | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-zfcpdump-core | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-zfcpdump-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-zfcpdump-devel | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-zfcpdump-modules | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | kernel-zfcpdump-modules-extra | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | perf | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | perf-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | python3-perf | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhel eus 8.8 | python3-perf-debuginfo | 0:4.18.0-477.36.1.el8_8 |
| Red Hat rhev hypervisor 4.4 | bpftool-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | kernel-debug-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | kernel-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | kernel-debuginfo-common-x86_64 | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | kernel-devel | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | kernel-tools-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | perf | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | perf-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Red Hat rhev hypervisor 4.4 | python3-perf-debuginfo | 0:4.18.0-372.87.1.el8_6 |
| Ubuntu 16.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure | no fix |
| Ubuntu 18.04 LTS | linux-azure-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure-edge | no fix |
| Ubuntu 18.04 LTS | linux-gcp | no fix |
| Ubuntu 18.04 LTS | linux-gcp-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-gke-4.15 | no fix |
| Ubuntu 18.04 LTS | linux-gke-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-hwe | no fix |
| Ubuntu 18.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-oem | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-fde | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-gke | no fix |
| Ubuntu 20.04 LTS | linux-gke-5.15 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-intel-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.10 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.14 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.6 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-raspi2 | no fix |
| Ubuntu 20.04 LTS | linux-riscv | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | no fix |
| Ubuntu 22.04 LTS | linux-allwinner-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-oem-5.17 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.0 | no fix |
| Ubuntu 22.04 LTS | linux-riscv | no fix |
| Ubuntu 22.04 LTS | linux-riscv-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-5.19 | no fix |