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Vulnerability · Published Jul 29, 2024 · Assigned by Linux

CVE-2024-41077null_blk: fix validation of block size

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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.7% 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: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.106-1DEBIAN-CVE-2024-41077
Debian:13linux6.9.11-1DEBIAN-CVE-2024-41077
Debian:14linux6.9.11-1DEBIAN-CVE-2024-41077
Ubuntu:22.04:LTSlinux5.15.0-125.135USN-7100-1
Ubuntu:22.04:LTSlinux5.15.0-125.135UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux6.8.0-48.48UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-aws5.15.0-1072.78UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-aws5.15.0-1072.78USN-7100-2
Ubuntu:24.04:LTSlinux-aws6.8.0-1018.20UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1018.19~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure5.15.0-1075.84USN-7123-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1075.84UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-azure6.8.0-1017.20UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1017.20~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1076.85.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gcp5.15.0-1071.79USN-7100-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1071.79UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-gcp6.8.0-1017.19UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gke5.15.0-1069.75USN-7100-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1069.75UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-gke6.8.0-1013.17UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1055.62USN-7100-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1055.62UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-48.48~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-ibm5.15.0-1065.68USN-7100-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1065.68UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-ibm6.8.0-1015.15UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1067.73UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1067.73USN-7144-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1069.74UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-kvm5.15.0-1069.74USN-7100-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-125.135UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-125.135USN-7100-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-48.48.3UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-48.48.3~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1067.68USN-7100-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1067.68UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1017.19UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1017.19~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1017.19.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1032.32UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1020.20UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1016.16UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oracle5.15.0-1070.76USN-7100-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1070.76UBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-oracle6.8.0-1015.16UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1015.15~22.04.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-raspi5.15.0-1065.68UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-raspi5.15.0-1065.68USN-7100-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1014.16UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-riscv6.8.0-48.48.1UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-48.48.1~22.04.2UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-41077
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1009.10UBUNTU-CVE-2024-41077
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1038.42USN-7100-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1038.42UBUNTU-CVE-2024-41077

Affected products (as reported)

VendorProductVersions
Linux Linux cedcafad8277b3a07e90bf2f68fff5c6b28a183e – before 9625afe1dd4a158a14bb50f81af9e2dac634c0b1cedcafad8277b3a07e90bf2f68fff5c6b28a183e – before 9b873bdaae64bddade9d8c6df23c8a31948d47d0cedcafad8277b3a07e90bf2f68fff5c6b28a183e – before 2772ed2fc075eef7df3789906fc9dae01e4e132ecedcafad8277b3a07e90bf2f68fff5c6b28a183e – before 08f03186b96e25e3154916a2e70732557c770ea7cedcafad8277b3a07e90bf2f68fff5c6b28a183e – before f92409a9da02f27d05d713bff5f865e386cef9b3cedcafad8277b3a07e90bf2f68fff5c6b28a183e – before c462ecd659b5fce731f1d592285832fd6ad54053
Linux Linux 4.14

References