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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47423drm/nouveau/debugfs: fix file release memory leak

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 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 87.0% 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: drm/nouveau/debugfs: fix file release memory leak When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.12-1DEBIAN-CVE-2021-47423
Debian:13linux5.14.12-1DEBIAN-CVE-2021-47423
Debian:14linux5.14.12-1DEBIAN-CVE-2021-47423
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47423
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47423
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47423

Affected products (as reported)

VendorProductVersions
Linux Linux 6e9fc177399f08446293fec7607913fdbc95e191 – before df0c9418923679bc6d0060bdb1b5bf2c755159e06e9fc177399f08446293fec7607913fdbc95e191 – before 9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d436e9fc177399f08446293fec7607913fdbc95e191 – before 1508b09945bde393326a9dab73b1fc35f672d7716e9fc177399f08446293fec7607913fdbc95e191 – before 11cd944bb87d9e575b94c07c952105eda745b4596e9fc177399f08446293fec7607913fdbc95e191 – before f69556a42043b5444ca712ee889829ba89fdcba86e9fc177399f08446293fec7607913fdbc95e191 – before 88c3610045ca6e699331b6bb5c095c5565f307216e9fc177399f08446293fec7607913fdbc95e191 – before f5a8703a9c418c6fc54eb772712dfe7641e3991c
Linux Linux 4.5

References