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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2023-52806ALSA: hda: Fix possible null-ptr-deref when assigning a stream

Medium 5.5

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 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.6% 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: ALSA: hda: Fix possible null-ptr-deref when assigning a stream While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.64-1DEBIAN-CVE-2023-52806
Debian:13linux6.6.8-1DEBIAN-CVE-2023-52806
Debian:14linux6.6.8-1DEBIAN-CVE-2023-52806
Ubuntu:22.04:LTSlinux5.15.0-100.110UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-aws5.15.0-1056.61UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure5.15.0-1058.66UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1058.66.1UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-gcp5.15.0-1053.61UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-gke5.15.0-1052.57UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1038.44UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-ibm5.15.0-1048.51UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1050.56UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-kvm5.15.0-1052.57UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-100.110UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1046.46UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1014.14UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1025.25UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1012.12UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-oracle5.15.0-1053.59UBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-raspi5.15.0-1048.51UBUNTU-CVE-2023-52806
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-52806
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34UBUNTU-CVE-2023-52806

Affected products (as reported)

VendorProductVersions
Linux Linux 14752412721c61d9ac1e8d8fb51d7148cb15f85b – before 7de25112de8222fd20564769e6c99dc9f9738a0b14752412721c61d9ac1e8d8fb51d7148cb15f85b – before 758c7733cb821041f5fd403b7b97c0b95d31932314752412721c61d9ac1e8d8fb51d7148cb15f85b – before 2527775616f3638f4fd54649eba8c7b84d5e425014752412721c61d9ac1e8d8fb51d7148cb15f85b – before 25354bae4fc310c3928e8a42fda2d486f67745d714752412721c61d9ac1e8d8fb51d7148cb15f85b – before 631a96e9eb4228ff75fce7e72d133ca81194797e14752412721c61d9ac1e8d8fb51d7148cb15f85b – before 43b91df291c8802268ab3cfd8fccfdf135800ed414752412721c61d9ac1e8d8fb51d7148cb15f85b – before fe7c1a0c2b25c82807cb46fc3aadbf2664a682b014752412721c61d9ac1e8d8fb51d7148cb15f85b – before 4a320da7f7cbdab2098b103c47f45d5061f42edd
Linux Linux 4.2

References