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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47315memory: fsl_ifc: fix leak of IO mapping on probe failure

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 83.3% 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: memory: fsl_ifc: fix leak of IO mapping on probe failure On probe error the driver should unmap the IO memory. Smatch reports: drivers/memory/fsl_ifc.c:298 fsl_ifc_ctrl_probe() warn: 'fsl_ifc_ctrl_dev->gregs' not released on lines: 298.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.6-1DEBIAN-CVE-2021-47315
Debian:13linux5.14.6-1DEBIAN-CVE-2021-47315
Debian:14linux5.14.6-1DEBIAN-CVE-2021-47315
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47315
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47315
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47315

Affected products (as reported)

VendorProductVersions
Linux Linux a20cbdeffce247a2b6fb83cd8d22433994068565 – before d0d04b95e8ed0223844a1d58497c686fe2e4a955a20cbdeffce247a2b6fb83cd8d22433994068565 – before 6b3b002de90738e3c85853a682ce7e0fa078d42ba20cbdeffce247a2b6fb83cd8d22433994068565 – before 94bc2fe46102d1e060fc749c0c19511e76c9995fa20cbdeffce247a2b6fb83cd8d22433994068565 – before d9213d4f372d30b5bc4d921795d6bed0c0e3eebfa20cbdeffce247a2b6fb83cd8d22433994068565 – before 8d071d270afba468708faca5f7b6d9e656f75e27a20cbdeffce247a2b6fb83cd8d22433994068565 – before 83af5816308b490b05fc8fa27fc1bdc769df200aa20cbdeffce247a2b6fb83cd8d22433994068565 – before 28f71fd81ebd3b386bf5c7c5539664156f7d72c1a20cbdeffce247a2b6fb83cd8d22433994068565 – before 3b132ab67fc7a358fff35e808fa65d4bea452521
Linux Linux 3.3

References