Vulnerability · Published Jul 29, 2024 · Assigned by Linux

CVE-2024-41055mm: prevent derefencing NULL ptr in pfn_section_valid()

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfn_section_valid() Commit 5ec8e8ea8b77 ("mm/sparsemem: fix race in accessing memory_section->usage") changed pfn_section_valid() to add a READ_ONCE() call around "ms->usage" to fix a race with section_deactivate() where ms->usage can be cleared. The READ_ONCE() call, by itself, is not enough to prevent NULL pointer dereference. We need to check its value before dereferencing it.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9bpftool7.3.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-devel-matched5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-64k-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-abi-stablelists5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-cross-headers5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-devel-matched5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-debug-uki-virt5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-devel-matched5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-doc5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-headers5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-debug5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-debug-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-debug-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-debug-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-rt-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-tools5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-tools-libs5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-tools-libs-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-uki-virt5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump-devel5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump-modules5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9libperf5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9perf5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9python3-perf5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9rtla5.14.0-427.35.1.el9_4ALSA-2024:6567
AlmaLinux:9rv5.14.0-427.35.1.el9_4ALSA-2024:6567
Debian:12linux6.1.106-1DEBIAN-CVE-2024-41055
Debian:13linux6.9.10-1DEBIAN-CVE-2024-41055
Debian:14linux6.9.10-1DEBIAN-CVE-2024-41055
Rocky Linux:9kernel0:5.14.0-427.35.1.el9_4.cloud.1.0RXSA-2024:6567
Rocky Linux:9kernel0:5.14.0-427.35.1.el9_4RLSA-2024:6567
Ubuntu:22.04:LTSlinux5.15.0-121.131UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux6.8.0-48.48UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux6.8.0-48.48USN-7089-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-aws5.15.0-1069.75UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-aws6.8.0-1018.20USN-7089-3
Ubuntu:24.04:LTSlinux-aws6.8.0-1018.20UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1018.19~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1018.19~22.04.1USN-7089-3
Ubuntu:22.04:LTSlinux-azure5.15.0-1072.81UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-azure6.8.0-1017.20UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-azure6.8.0-1017.20USN-7089-2
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1017.20~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1017.20~22.04.1USN-7090-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1072.81.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-gcp5.15.0-1068.76UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-gcp6.8.0-1017.19USN-7089-2
Ubuntu:24.04:LTSlinux-gcp6.8.0-1017.19UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1017.19~22.04.1USN-7089-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1066.72UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-gke6.8.0-1013.17UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-gke6.8.0-1013.17USN-7089-6
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1052.59UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4USN-7156-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-48.48~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-48.48~22.04.1USN-7089-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1062.65UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-ibm6.8.0-1015.15USN-7089-2
Ubuntu:24.04:LTSlinux-ibm6.8.0-1015.15UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1064.70UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-kvm5.15.0-1066.71UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-121.131UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-48.48.3USN-7089-7
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-48.48.3UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-48.48.3~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-48.48.3~22.04.1USN-7089-7
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1064.65UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1017.19USN-7095-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1017.19UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1017.19~22.04.1USN-7095-1
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1017.19.1USN-7095-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1017.19.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1016.16UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1016.16USN-7089-4
Ubuntu:22.04:LTSlinux-oracle5.15.0-1067.73UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-oracle6.8.0-1015.16USN-7089-3
Ubuntu:24.04:LTSlinux-oracle6.8.0-1015.16UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1015.15~22.04.1USN-7089-3
Ubuntu:22.04:LTSlinux-raspi5.15.0-1062.65UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-raspi6.8.0-1014.16UBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-raspi6.8.0-1014.16USN-7089-5
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-41055
Ubuntu:24.04:LTSlinux-riscv6.8.0-48.48.1UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-48.48.1~22.04.2UBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-41055
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1035.39UBUNTU-CVE-2024-41055

Affected products (as reported)

VendorProductVersions
Linux Linux 90ad17575d26874287271127d43ef3c2af876cea – before 0100aeb8a12d51950418e685f879cc80cb8e5982b448de2459b6d62a53892487ab18b7d823ff0529 – before bc17f2377818dca643a74499c3f5333500c9050368ed9e33324021e9d6b798e9db00ca3093d2012a – before 941e816185661bf2b44b488565d09444ae31650970064241f2229f7ba7b9599a98f68d9142e81a97 – before 797323d1cf92d09b7a017cfec576d9babf99cde75ec8e8ea8b7783fab150cf86404fc38cb4db8800 – before adccdf702b4ea913ded5ff512239e382d7473b635ec8e8ea8b7783fab150cf86404fc38cb4db8800 – before 82f0b6f041fad768c28b4ad05a683065412c226e3a01daace71b521563c38bbbf874e14c3e58adb75.10.210 – before 5.10.222
Linux Linux 6.8

References