Name: CVE-2021-47177: Missing Release of Memory after Effective Lifetime
Creator: Rapid7
Published: 2024-03-25T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-47177, CVSS 5.5, EPSS 0.00238

In the Linux kernel, the following vulnerability has been resolved:

iommu/vt-d: Fix sysfs leak in alloc_iommu()

iommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent errors.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon Linux Ami 2	—	Upgrade bpftoolUpgrade kernel-develUpgrade kernelUpgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-headersUpgrade kernel-livepatch-4.14.238-182.421	Aug 2, 2024	Mar 25, 2024
Debian	—	Upgrade linux	Jul 30, 2024	Mar 25, 2024
Redhat_linux	—	No solution exists	Jul 9, 2025	Mar 25, 2024
Suse	—	Upgrade kernel-azure-develUpgrade kernel-macrosUpgrade kernel-syms-azureUpgrade kernel-default-develUpgrade kernel-sourceUpgrade kernel-source-azureUpgrade kernel-default-extraUpgrade kernel-symsUpgrade kernel-zfcpdumpUpgrade kernel-default-manUpgrade kernel-64kbUpgrade kernel-devel-azureUpgrade kernel-64kb-develUpgrade kernel-preemptUpgrade kernel-preempt-develUpgrade kernel-azureUpgrade kernel-azure-baseUpgrade kernel-develUpgrade kernel-default-baseUpgrade reiserfs-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-docsUpgrade kernel-default	Aug 9, 2024	Mar 25, 2024
Ubuntu	—	Upgrade linux-aws-5.4Upgrade linux-awsUpgrade linux-oracleUpgrade linux-raspiUpgrade linux-azureUpgrade linux-azure-5.4Upgrade linux-gcp-4.15Upgrade linux-hweUpgrade linux-kvmUpgrade linux-aws-hweUpgrade linux-azure-4.15Upgrade linuxUpgrade linux-raspi-5.4Upgrade linux-gkeopUpgrade linux-fipsUpgrade linux-gcp-fipsUpgrade linux-aws-fipsUpgrade linux-bluefieldUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-oracle-5.4Upgrade linux-hwe-5.4Upgrade linux-azure-fips	Nov 19, 2024	Mar 25, 2024

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence