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Vulnerability · Published Dec 9, 2025 · Assigned by Linux

CVE-2022-50640mmc: core: Fix kernel panic when remove non-standard SDIO card

Unrated

In plain English

A 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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 88.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Fix kernel panic when remove non-standard SDIO card SDIO tuple is only allocated for standard SDIO card, especially it causes memory corruption issues when the non-standard SDIO card has removed, which is because the card device's reference counter does not increase for it at sdio_init_func(), but all SDIO card device reference counter gets decreased at sdio_release_func().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.7-1DEBIAN-CVE-2022-50640
Debian:13linux6.0.7-1DEBIAN-CVE-2022-50640
Debian:14linux6.0.7-1DEBIAN-CVE-2022-50640
Ubuntu:22.04:LTSlinux5.15.0-60.66UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-aws5.15.0-1030.34UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure5.15.0-1033.40UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1033.40.1UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-gcp5.15.0-1029.36UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-gke5.15.0-1027.32UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1015.19UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-ibm5.15.0-1025.28UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1025.30UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-kvm5.15.0-1028.33UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-60.66UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1017.17UBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-oracle5.15.0-1029.35UBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-raspi5.15.0-1024.26UBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50640
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50640

Affected products (as reported)

VendorProductVersions
Linux Linux 6f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before b8b2965932e702b21e335ff30e1bb550f5a23b6f6f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before b3275dde570b6420106a715bb58a0af041b94d956f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before 1fb79478695d92bab1c120ad3dad05252b02a29d6f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before 7a09c64b7da0abdec3919812e3d93ecc44069ed06f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before 8bf037279b5869ae9331c42bb1527d2680ebba966f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before 1e8cd93ae536581562bab4e1d8c5315bbc2548bf6f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before 66d461a92f32b6995b630625d350259b6b1f961b6f51be3d37dff73cf8db771df4169f4c2f1cbf66 – before 9972e6b404884adae9eec7463e30d9b3c9a70b18
Linux Linux 2.6.36

References