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Vulnerability · Published May 1, 2025 · Assigned by Linux

CVE-2022-49794iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()

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 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 89.7% 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: iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger() If iio_trigger_register() returns error, it should call iio_trigger_free() to give up the reference that hold in iio_trigger_alloc(), so that it can call iio_trig_release() to free memory when the refcount hit to 0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.10-1DEBIAN-CVE-2022-49794
Debian:13linux6.0.10-1DEBIAN-CVE-2022-49794
Debian:14linux6.0.10-1DEBIAN-CVE-2022-49794
Ubuntu:22.04:LTSlinux5.15.0-67.74UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-aws5.15.0-1031.35UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure5.15.0-1034.41UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1034.41.1UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-gcp5.15.0-1030.37UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-gke5.15.0-1028.33UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1016.21UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-ibm5.15.0-1026.29UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1026.31UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-kvm5.15.0-1029.34UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-67.74UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1023.23UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-oracle5.15.0-1030.36UBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-raspi5.15.0-1025.27UBUNTU-CVE-2022-49794
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49794
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49794
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49794

Affected products (as reported)

VendorProductVersions
Linux Linux 0e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before c3ce73f60599a483dca7becd4112508833a40ef90e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before a0d98ae5a62a7bbad8fcf9fa22e0a1274197bbc40e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before 2b29a7f2d52fb5281b30cf61c947d88bab18a29b0e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before 7b75515728b628a9a7540f201efdeb8ca72993850e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before 85d2a8b287a89853c0dcfc5a97b5e9d36376fe370e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before 1bf8c0aff8fb5c4edf3ba6728e6bedbd610d7f4b0e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before c27a3b6ba23350708cf5ab9962337447b51eb76d0e589d5fb3172b0dde7fdad3a4829ce5352dd30d – before 65f20301607d07ee279b0804d11a05a62a6c1a1c
Linux Linux 3.5

References