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Vulnerability · Published Oct 21, 2024 · Assigned by Linux

CVE-2024-47705block: fix potential invalid pointer dereference in blk_add_partition

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 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 87.7% 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: block: fix potential invalid pointer dereference in blk_add_partition The blk_add_partition() function initially used a single if-condition (IS_ERR(part)) to check for errors when adding a partition. This was modified to handle the specific case of -ENXIO separately, allowing the function to proceed without logging the error in this case. However, this change unintentionally left a path where md_autodetect_dev() could be called without confirming that part is a valid pointer. This commit separates the error handling logic by splitting the initial if-condition, improving code readability and handling specific error scenarios explicitly. The function now distinguishes the general error case from -ENXIO without altering the existing behavior of md_autodetect_dev() calls.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.115-1DEBIAN-CVE-2024-47705
Debian:13linux6.11.2-1DEBIAN-CVE-2024-47705
Debian:14linux6.11.2-1DEBIAN-CVE-2024-47705
Ubuntu:22.04:LTSlinux5.15.0-127.137UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux6.8.0-54.56USN-7301-1
Ubuntu:24.04:LTSlinux6.8.0-54.56UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-aws5.15.0-1073.79UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-aws6.8.0-1023.25UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-aws6.8.0-1023.25USN-7311-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1023.25~22.04.1USN-7311-1
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1023.25~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure5.15.0-1078.87UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-azure6.8.0-1025.30USN-7384-1
Ubuntu:24.04:LTSlinux-azure6.8.0-1025.30UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1012.12~24.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1025.30~22.04.1USN-7384-2
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1025.30~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1078.87.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1014.15UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1014.15USN-7468-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1072.80UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-gcp6.8.0-1024.26UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-gcp6.8.0-1024.26USN-7304-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1011.11~24.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1024.26~22.04.1USN-7303-3
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1024.26~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-gke5.15.0-1070.76UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-gke6.8.0-1019.23UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-gke6.8.0-1019.23USN-7304-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1056.63UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1006.8USN-7304-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1006.8UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-57.59~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-57.59~22.04.1USN-7403-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1066.69UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-ibm6.8.0-1022.22UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-ibm6.8.0-1022.22USN-7385-1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1023.23~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1071.77UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-kvm5.15.0-1070.75UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-127.137UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-54.56.1USN-7301-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-54.56.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-54.56.1~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-54.56.1~22.04.1USN-7301-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1068.69UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1022.25USN-7303-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1022.25UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1007.7UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1022.25~22.04.2UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1022.25~22.04.2USN-7303-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1022.25.2USN-7303-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1022.25.2UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1032.32UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1020.20UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1015.15UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1015.15USN-7310-1
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1024.24USN-7386-1
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1024.24UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-oracle5.15.0-1071.77UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-oracle6.8.0-1020.21USN-7303-2
Ubuntu:24.04:LTSlinux-oracle6.8.0-1020.21UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1020.21~22.04.1USN-7303-2
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1020.21~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-raspi5.15.0-1066.69UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-raspi6.8.0-1019.23UBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-raspi6.8.0-1019.23USN-7303-3
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-riscv6.8.0-53.55.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-53.55.1~22.04.1UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-47705
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1017.18UBUNTU-CVE-2024-47705
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1039.43UBUNTU-CVE-2024-47705

Affected products (as reported)

VendorProductVersions
Linux Linux b72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before 4bc4272e2506941c3f3d4fb8b0c659ee814dcf6fb72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before cc4d21d9492db4e534d3e01253cf885c90dd2a8bb72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before 64cf2a39202ca2d9df5ee70eb310b6141ce2b8edb72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before 80f5bfbb80ea1615290dbc24f49d3d8c86db58feb72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before 652039ba477c9a4ab43740cf2cb0d068d53508c2b72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before afe53ea9b378c376101d99d216f13b6256f75189b72053072c0bbe9f1cdfe2ffa3c201c185da2201 – before 26e197b7f9240a4ac301dd0ad520c0c697c2ea7d
Linux Linux 5.5

References