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Vulnerability · Published May 1, 2024 · Assigned by Linux

CVE-2024-26952ksmbd: fix potencial out-of-bounds when buffer offset is invalid

High 8.3

In plain English

A high-severity out-of-bounds read 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 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.7%top 45.6% 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: ksmbd: fix potencial out-of-bounds when buffer offset is invalid I found potencial out-of-bounds when buffer offset fields of a few requests is invalid. This patch set the minimum value of buffer offset field to ->Buffer offset to validate buffer length.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.119-1DSA-5818-1
Debian:12linux6.1.119-1DEBIAN-CVE-2024-26952
Debian:13linux6.7.12-1DEBIAN-CVE-2024-26952
Debian:14linux6.7.12-1DEBIAN-CVE-2024-26952
Ubuntu:22.04:LTSlinux5.15.0-117.127USN-6923-1
Ubuntu:22.04:LTSlinux5.15.0-117.127UBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux6.8.0-35.35UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-aws5.15.0-1066.72UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-aws5.15.0-1066.72USN-6923-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1009.9UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure5.15.0-1070.79USN-6956-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1070.79UBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux-azure6.8.0-1008.8UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1070.79.1USN-6956-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1070.79.1UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gcp5.15.0-1065.73USN-6923-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1065.73UBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux-gcp6.8.0-1008.9UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gke5.15.0-1063.69UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gke5.15.0-1063.69USN-6923-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1004.7UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1049.56UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1049.56USN-6923-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-ibm5.15.0-1059.62UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-ibm5.15.0-1059.62USN-6923-2
Ubuntu:24.04:LTSlinux-ibm6.8.0-1006.6UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1061.67USN-6923-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1061.67UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-kvm5.15.0-1063.68USN-6923-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1063.68UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-117.127UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-117.127USN-6923-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-35.35.1UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1061.62USN-6923-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1061.62UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1027.27UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1015.15UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1006.6UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-oracle5.15.0-1064.70USN-6923-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1064.70UBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux-oracle6.8.0-1006.6UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-raspi5.15.0-1059.62USN-6923-2
Ubuntu:22.04:LTSlinux-raspi5.15.0-1059.62UBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux-raspi6.8.0-1005.5UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-26952
Ubuntu:24.04:LTSlinux-riscv6.8.0-35.35.1UBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-26952
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1035.39UBUNTU-CVE-2024-26952

Affected products (as reported)

VendorProductVersions
Linux Linux 0626e6641f6b467447c81dd7678a69c66f7746cf – before 480469f145e5abf83361e608734e421b7d99693d0626e6641f6b467447c81dd7678a69c66f7746cf – before ad6480c9a5d884e2704adc51d69895d93339176c0626e6641f6b467447c81dd7678a69c66f7746cf – before 39bdc4197acf2ed13269167ccf093ee28cfa2a4e0626e6641f6b467447c81dd7678a69c66f7746cf – before 2dcda336b6e80b72d58d30d40f2fad9724e5fe630626e6641f6b467447c81dd7678a69c66f7746cf – before 0c5541b4c980626fa3cab16ba1a451757778bbb50626e6641f6b467447c81dd7678a69c66f7746cf – before c6cd2e8d2d9aa7ee35b1fa6a668e32a22a9753da
Linux Linux 5.15

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

References