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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49469btrfs: fix anon_dev leak in create_subvol()

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 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.4% 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: btrfs: fix anon_dev leak in create_subvol() When btrfs_qgroup_inherit(), btrfs_alloc_tree_block, or btrfs_insert_root() fail in create_subvol(), we return without freeing anon_dev. Reorganize the error handling in create_subvol() to fix this.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.5-1DEBIAN-CVE-2022-49469
Debian:13linux5.18.5-1DEBIAN-CVE-2022-49469
Debian:14linux5.18.5-1DEBIAN-CVE-2022-49469
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-49469
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49469
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-49469

Affected products (as reported)

VendorProductVersions
Linux Linux 2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788 – before d887b3de318834f9aa637ecf79c6bc66cba7c69a2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788 – before 7a875ad8706f0903a0e812e0dd701956ee9826ff2dfb1e43f57dd3aeaa66f7cf05d068db2d4c8788 – before 2256e901f5bddc56e24089c96f27b77da932dfcc917d608fe375041eb7f29befa6a6d7fd3cf32dde5.8.3 – before 5.9
Linux Linux 5.9

References