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Vulnerability · Published Oct 29, 2024 · Assigned by Linux

CVE-2024-50076vt: prevent kernel-infoleak in con_font_get()

Medium 6.5

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 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.6%top 50.8% 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: vt: prevent kernel-infoleak in con_font_get() font.data may not initialize all memory spaces depending on the implementation of vc->vc_sw->con_font_get. This may cause info-leak, so to prevent this, it is safest to modify it to initialize the allocated memory space to 0, and it generally does not affect the overall performance of the system.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.119-1DEBIAN-CVE-2024-50076
Debian:13linux6.11.5-1DEBIAN-CVE-2024-50076
Debian:14linux6.11.5-1DEBIAN-CVE-2024-50076
Ubuntu:24.04:LTSlinux6.8.0-56.58UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-aws6.8.0-1025.27UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1027.29~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-azure6.8.0-1025.30UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1012.12~24.04.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1025.30~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1014.15UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-gcp6.8.0-1026.28UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1011.11~24.04.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1026.28~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-gke6.8.0-1021.25UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1008.10UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-57.59~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-ibm6.8.0-1022.22UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1023.23~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-56.58.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-56.58.1~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1024.27UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1007.7UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1024.27~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1024.27.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1004.4UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1015.15UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1024.24UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-oracle6.8.0-1022.23UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1022.23~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-raspi6.8.0-1028.32UBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-riscv6.8.0-56.58.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-56.58.1~22.04.1UBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-50076
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-50076
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1017.18UBUNTU-CVE-2024-50076

Affected products (as reported)

VendorProductVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before efc67cee700b89ffbdb74a0603a083ec1290ae311da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before dc794e878e6d79f75205be456b1042a289c5759d1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 1e5a17dc77d8a8bbe67040b32e2ef755901aba441da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before b3959d5eca136e0588f9af3867b34032160cb8261da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 23c4cb8a56978e5b1baa171d42e616e316c2039d1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before dc2d5f02636c7587bdd6d1f60fc59c55860b00a41da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before adb1f312f38f0d2c928ceaff089262798cc260b41da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before f956052e00de211b5c9ebaa1958366c23f82ee9e
Linux Linux 2.6.12

References