Vulnerability · Published Aug 17, 2024 · Assigned by Linux

CVE-2024-43854block: initialize integrity buffer to zero before writing it to media

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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 85.6% 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: initialize integrity buffer to zero before writing it to media Metadata added by bio_integrity_prep is using plain kmalloc, which leads to random kernel memory being written media. For PI metadata this is limited to the app tag that isn't used by kernel generated metadata, but for non-PI metadata the entire buffer leaks kernel memory. Fix this by adding the __GFP_ZERO flag to allocations for writes.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9bpftool7.3.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9bpftool7.4.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-devel-matched5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-devel-matched5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-64k-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-64k-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-abi-stablelists4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-abi-stablelists5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-abi-stablelists5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-core4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-cross-headers4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-cross-headers5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-cross-headers5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-debug4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-debug5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-debug-core4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-debug-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-debug-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-debug-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-debug-devel-matched5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-debug-devel-matched5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-debug-modules4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-debug-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-debug-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-debug-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-debug-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-debug-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-debug-uki-virt5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-debug-uki-virt5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-devel-matched5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-devel-matched5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-doc4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-doc5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-doc5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-headers4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-headers5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-headers5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-modules4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-modules-extra4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt-core4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-rt-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-rt-debug4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-rt-debug5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-rt-debug-core4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-debug-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-debug-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-rt-debug-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt-devel4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-rt-modules4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-rt-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-rt-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.27.1.rt7.368.el8_10ALSA-2024:8870
AlmaLinux:9kernel-rt-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-rt-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-tools4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-tools5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-tools5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-tools-libs4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-tools-libs5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-tools-libs5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-tools-libs-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-tools-libs-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-uki-virt5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-uki-virt5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-uki-virt-addons5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-zfcpdump4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-zfcpdump5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-zfcpdump-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-devel5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-zfcpdump-devel5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-modules5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9kernel-zfcpdump-modules5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9libperf5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9libperf5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:8perf4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9perf5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9perf5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:8python3-perf4.18.0-553.27.1.el8_10ALSA-2024:8856
AlmaLinux:9python3-perf5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9python3-perf5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9rtla5.14.0-503.16.1.el9_5ALSA-2024:10939
AlmaLinux:9rtla5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9rv5.14.0-427.42.1.el9_4ALSA-2024:8617
AlmaLinux:9rv5.14.0-503.16.1.el9_5ALSA-2024:10939
Debian:12linux6.1.106-1DEBIAN-CVE-2024-43854
Debian:13linux6.10.3-1DEBIAN-CVE-2024-43854
Debian:14linux6.10.3-1DEBIAN-CVE-2024-43854
Rocky Linux:8kernel0:4.18.0-553.27.1.el8_10RLSA-2024:8856
Rocky Linux:9kernel0:5.14.0-427.42.1.el9_4RLSA-2024:8617
Rocky Linux:8kernel-rt0:4.18.0-553.27.1.rt7.368.el8_10RLSA-2024:8870
Ubuntu:22.04:LTSlinux5.15.0-125.135UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux6.8.0-50.51UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-aws5.15.0-1072.78UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux-aws6.8.0-1020.22UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1020.22~22.04.1UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure5.15.0-1075.84UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux-azure6.8.0-1020.23UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1020.23~22.04.1UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1076.85.1UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gcp5.15.0-1071.79UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux-gcp6.8.0-1019.21UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1019.21~22.04.1UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gke5.15.0-1069.75UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux-gke6.8.0-1015.19UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1055.62UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-50.51~22.04.1UBUNTU-CVE-2024-43854
Ubuntu:22.04:LTSlinux-ibm5.15.0-1065.68UBUNTU-CVE-2024-43854
Ubuntu:24.04:LTSlinux-ibm6.8.0-1017.17UBUNTU-CVE-2024-43854

Affected products (as reported)

VendorProductVersions
Linux Linux 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before 9f4af4cf08f9a0329ade3d938f55d2220c40d0a67ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before 129f95948a96105c1fad8e612c9097763e88ac5f7ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before 3fd11fe4f20756b4c0847f755a64cd96f8c6a0057ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before cf6b45ea7a8df0f61bded1dc4a8561ac6ad143d27ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before d418313bd8f55c079a7da12651951b489a638ac17ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before 23a19655fb56f241e592041156dfb1c6d04da6447ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before ebc0e91ba76dc6544fff9f5b66408b1982806a007ba1ba12eeef0aa7113beb16410ef8b7c748e18b – before 899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f
Linux Linux 2.6.27

References