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Vulnerability · Published Mar 6, 2024 · Assigned by Linux

CVE-2023-52584spmi: mediatek: Fix UAF on device remove

Low 3.8

In plain English

A low-severity use-after-free in Linux from Linux. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.8Low
Exploit odds (30 days)0.6%top 53.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: spmi: mediatek: Fix UAF on device remove The pmif driver data that contains the clocks is allocated along with spmi_controller. On device remove, spmi_controller will be freed first, and then devres , including the clocks, will be cleanup. This leads to UAF because putting the clocks will access the clocks in the pmif driver data, which is already freed along with spmi_controller. This can be reproduced by enabling DEBUG_TEST_DRIVER_REMOVE and building the kernel with KASAN. Fix the UAF issue by using unmanaged clk_bulk_get() and putting the clocks before freeing spmi_controller.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.82-1DEBIAN-CVE-2023-52584
Debian:13linux6.7.7-1DEBIAN-CVE-2023-52584
Debian:14linux6.7.7-1DEBIAN-CVE-2023-52584
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1022.23~22.04.1USN-6819-1
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1022.23~22.04.1UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1022.24~22.04.1UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1022.24~22.04.1USN-6818-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-41.41~22.04.2USN-6818-4
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-41.41~22.04.2UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-41.41.1~22.04.1UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-41.41.1~22.04.1USN-6818-1
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1021.22UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1021.22USN-6818-3
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1035.35USN-6688-1
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1035.35UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1024.25USN-6819-3
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1024.25UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1024.24~22.04.1USN-6819-4
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1024.24~22.04.1UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-40.40.1~22.04.1UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1015.16~22.04.1UBUNTU-CVE-2023-52584
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1015.16~22.04.1USN-6819-1

Affected products (as reported)

VendorProductVersions
Linux Linux b45b3ccef8c063d21eb746d85337eaf71f6b5f07 – before 521f28eedd6b14228c46e3b81e3bf9b90c2818d8b45b3ccef8c063d21eb746d85337eaf71f6b5f07 – before f8dcafcb54632536684336161da8bdd52120f95eb45b3ccef8c063d21eb746d85337eaf71f6b5f07 – before 9a3881b1f07db1bb55cb0108e6f05cfd027eaf2eb45b3ccef8c063d21eb746d85337eaf71f6b5f07 – before e821d50ab5b956ed0effa49faaf29912fd4106d9
Linux Linux 5.17

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

References