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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2023-52769wifi: ath12k: fix htt mlo-offset event locking

High 8.8

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 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 72.8% 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: wifi: ath12k: fix htt mlo-offset event locking The ath12k active pdevs are protected by RCU but the htt mlo-offset event handling code calling ath12k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.6.8-1DEBIAN-CVE-2023-52769
Debian:14linux6.6.8-1DEBIAN-CVE-2023-52769
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1015.15~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1016.16~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1015.15~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-25.25~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-25.25.1~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1014.14UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1016.17UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1018.18~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-25.25.1~22.04.1UBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-52769
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1009.10~22.04.1UBUNTU-CVE-2023-52769

Affected products (as reported)

VendorProductVersions
Linux Linux d889913205cf7ebda905b1e62c5867ed4e39f6c2 – before d908ca431e20b0e4bfc5d911d1744910ed779bdbd889913205cf7ebda905b1e62c5867ed4e39f6c2 – before afd3425bd69610f318403084fe491e24a1357fb9d889913205cf7ebda905b1e62c5867ed4e39f6c2 – before 6afc57ea315e0f660b1f870a681737bb7b71faef
Linux Linux 6.3

References