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Vulnerability · Published Apr 3, 2024 · Assigned by Linux

CVE-2024-26736afs: Increase buffer size in afs_update_volume_status()

High 8.1

In plain English

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

Severity (CVSS 3.1)8.1High
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: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.82-1DEBIAN-CVE-2024-26736
Debian:13linux6.7.7-1DEBIAN-CVE-2024-26736
Debian:14linux6.7.7-1DEBIAN-CVE-2024-26736
Ubuntu:22.04:LTSlinux5.15.0-112.122UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux5.15.0-112.122USN-6820-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-aws5.15.0-1063.69USN-6821-3
Ubuntu:22.04:LTSlinux-aws5.15.0-1063.69UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1023.23~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure5.15.0-1066.75UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure5.15.0-1066.75USN-6821-4
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1024.25~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1065.74.1USN-6821-4
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1067.76.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gcp5.15.0-1062.70UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gcp5.15.0-1062.70USN-6820-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1024.26~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gke5.15.0-1060.66USN-6821-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1060.66UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1046.53UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1046.53USN-6821-2
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-44.44~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-ibm5.15.0-1056.59USN-6821-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1056.59UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1058.64UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1058.64USN-6821-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1060.65UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-kvm5.15.0-1060.65USN-6821-2
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-110.120USN-6820-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-110.120UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-44.44.1~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1058.59USN-6820-2
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1058.59UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1023.24UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1026.26UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1015.15UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1027.28UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-oracle5.15.0-1061.67USN-6821-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1061.67UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1026.26~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-raspi5.15.0-1058.61UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-raspi5.15.0-1058.61USN-6919-1
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1017.18~22.04.1UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34UBUNTU-CVE-2024-26736
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34USN-6820-1

Affected products (as reported)

VendorProductVersions
Linux Linux d2ddc776a4581d900fc3bdc7803b403daae64d88 – before 5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5d2ddc776a4581d900fc3bdc7803b403daae64d88 – before d9b5e2b7a8196850383c70d099bfd39e81ab6637d2ddc776a4581d900fc3bdc7803b403daae64d88 – before e56662160fc24d28cb75ac095cc6415ae1bda43ed2ddc776a4581d900fc3bdc7803b403daae64d88 – before e8530b170e464017203e3b8c6c49af6e916aece1d2ddc776a4581d900fc3bdc7803b403daae64d88 – before 6e6065dd25b661420fac19c34282b6c626fcd35ed2ddc776a4581d900fc3bdc7803b403daae64d88 – before d34a5e57632bb5ff825196ddd9a48ca403626dfad2ddc776a4581d900fc3bdc7803b403daae64d88 – before 6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d
Linux Linux 4.15

References