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Vulnerability · Published Oct 22, 2025 · Assigned by Linux

CVE-2023-53729soc: qcom: qmi_encdec: Restrict string length in decode

High 7.8

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 0.2% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 95.5% 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: soc: qcom: qmi_encdec: Restrict string length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null terminated strings with MAX_LEN + 1. If a string is actually MAX_LEN + 1 length, this will cause an out of bounds access when the NULL character is appended in decoding.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.55-1DEBIAN-CVE-2023-53729
Debian:13linux6.5.6-1DEBIAN-CVE-2023-53729
Debian:14linux6.5.6-1DEBIAN-CVE-2023-53729
Ubuntu:22.04:LTSlinux5.15.0-94.104UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-aws5.15.0-1053.58UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure5.15.0-1056.64UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1056.64.1UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-gcp5.15.0-1051.59UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-gke5.15.0-1050.55UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1036.42UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-ibm5.15.0-1046.49UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1047.53UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-kvm5.15.0-1050.55UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-94.104UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1044.44UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1022.22UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1009.9UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-oracle5.15.0-1051.57UBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-raspi5.15.0-1046.49UBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53729
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53729
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1027.31UBUNTU-CVE-2023-53729

Affected products (as reported)

VendorProductVersions
Linux Linux 9b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before 6b58859e7c4ac357517a59f0801e8ce1b58a8ee29b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before 64c5e916fabe5ef7bef0210b8a59fa8941ee1b8e9b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before 2ccab9f82772ead618689d17dbc6950d6bd1e7419b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before b2f39b813d1eed4a522428d1e6acd7dfe9b815799b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before f6250ecb7fbb934b89539e7e2ba6c1d8555c09759b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before 22ee7c9c7f381be178b4457bc54530002e08e9389b8a11e82615274d4133aab3cf5aa1c59191f0a2 – before 8d207400fd6b79c92aeb2f33bb79f62dff904ea2
Linux Linux 4.16

References