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Vulnerability · Published Feb 28, 2024 · Assigned by Linux

CVE-2021-47022mt76: mt7615: fix memleak when mt7615_unregister_device()

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 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 85.4% 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: mt76: mt7615: fix memleak when mt7615_unregister_device() mt7615_tx_token_put() should get call before mt76_free_pending_txwi().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.10.38-1DEBIAN-CVE-2021-47022
Debian:13linux5.10.38-1DEBIAN-CVE-2021-47022
Debian:14linux5.10.38-1DEBIAN-CVE-2021-47022
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47022
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47022

Affected products (as reported)

VendorProductVersions
Linux Linux aec5719681405af21102c2407b01f83ed19e9833 – before 4fa28c807da54c1d720b3cc12e48eb9bea1e2c8f1aca6c30d4b655a4fd29c4ad66985b60def88eed – before 107bcbb219ac84d885ac63b25246f8d33212bc47a6275e934605646ef81b02d8d1164f21343149c9 – before 6c5b2b0c6e5a6ce2d8f9f85b8b72bfad60eaa506a6275e934605646ef81b02d8d1164f21343149c9 – before 8ab31da7b89f71c4c2defcca989fab7b42f87d715.10.21 – before 5.10.375.11.4 – before 5.11.21
Linux Linux 5.12

References