Vulnerability · Published May 17, 2024 · Assigned by Linux

CVE-2024-35823vt: fix unicode buffer corruption when deleting characters

Medium 5.3

In plain English

A medium-severity buffer overflow 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 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.9%top 39.7% 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: vt: fix unicode buffer corruption when deleting characters This is the same issue that was fixed for the VGA text buffer in commit 39cdb68c64d8 ("vt: fix memory overlapping when deleting chars in the buffer"). The cure is also the same i.e. replace memcpy() with memmove() due to the overlaping buffers.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9bpftool7.3.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-devel-matched5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-64k-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-abi-stablelists5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-cross-headers5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-devel-matched5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-debug-uki-virt5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-devel-matched5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-doc5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-headers5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-debug5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-debug-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-debug-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-debug-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-rt-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-tools5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-tools-libs5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-tools-libs-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-uki-virt5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump-devel5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump-modules5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9libperf5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9perf5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9python3-perf5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9rtla5.14.0-427.31.1.el9_4ALSA-2024:5363
AlmaLinux:9rv5.14.0-427.31.1.el9_4ALSA-2024:5363
Debian:12linux6.1.85-1DEBIAN-CVE-2024-35823
Debian:13linux6.7.12-1DEBIAN-CVE-2024-35823
Debian:14linux6.7.12-1DEBIAN-CVE-2024-35823
Rocky Linux:9kernel0:5.14.0-427.31.1.el9_4RLSA-2024:5363
Ubuntu:22.04:LTSlinux5.15.0-116.126UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-aws5.15.0-1065.71UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure5.15.0-1068.77UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1068.77.1UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-gcp5.15.0-1064.72UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-gke5.15.0-1062.68UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1048.55UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-ibm5.15.0-1058.61UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1060.66UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-kvm5.15.0-1062.67UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-116.126UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1060.61UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1026.26UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1015.15UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-oracle5.15.0-1063.69UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-raspi5.15.0-1058.61UBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-35823
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1035.39UBUNTU-CVE-2024-35823

Affected products (as reported)

VendorProductVersions
Linux Linux 81732c3b2fede049a692e58a7ceabb6d18ffb18c – before fc7dfe3d123f00e720be80b920da287810a1f37d81732c3b2fede049a692e58a7ceabb6d18ffb18c – before ff7342090c1e8c5a37015c89822a68b275b46f8a81732c3b2fede049a692e58a7ceabb6d18ffb18c – before 1ce408f75ccf1e25b3fddef75cca878b55f2ac9081732c3b2fede049a692e58a7ceabb6d18ffb18c – before 0190d19d7651c08abc187dac3819c61b726e7e3f81732c3b2fede049a692e58a7ceabb6d18ffb18c – before 994a1e583c0c206c8ca7d03334a65b79f4d8bc5181732c3b2fede049a692e58a7ceabb6d18ffb18c – before 7529cbd8b5f6697b369803fe1533612c039cabda81732c3b2fede049a692e58a7ceabb6d18ffb18c – before 2933b1e4757a0a5c689cf48d80b1a2a85f237ff181732c3b2fede049a692e58a7ceabb6d18ffb18c – before 1581dafaf0d34bc9c428a794a22110d7046d186d
Linux Linux 3.7

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References