Vulnerability · Published Sep 15, 2025 · Assigned by Linux
CVE-2022-50328jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
High 7.8
In plain English
A high-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 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 94.5% 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: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.0.3-1 | DEBIAN-CVE-2022-50328 |
| Debian:13 | linux | 6.0.3-1 | DEBIAN-CVE-2022-50328 |
| Debian:14 | linux | 6.0.3-1 | DEBIAN-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux | 5.15.0-60.66 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1030.34 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1033.40 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1033.40.1 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1029.36 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1027.32 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1015.19 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1025.28 | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1025.30 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1028.33 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-60.66 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1017.17 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1029.35 | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1024.26 | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2022-50328 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2022-50328 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | ff780b91efe901b8eecd8114785abae5341820ad – before 1d4d16daec2a6689b6d3fbfc7d2078643adc6619ff780b91efe901b8eecd8114785abae5341820ad – before d11d2ded293976a1a0d9d9471827a44dc9e3c63fff780b91efe901b8eecd8114785abae5341820ad – before 2e6d9f381c1ed844531a577783fc352de7a44c8aff780b91efe901b8eecd8114785abae5341820ad – before effd9b3c029ecdd853a11933dcf857f5a7ca8c3dff780b91efe901b8eecd8114785abae5341820ad – before 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd |
| Linux | Linux | 5.10 |
References
- https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619
- https://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63f
- https://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8a
- https://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d
- https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd