Vulnerability · Published May 1, 2025 · Assigned by Linux
CVE-2022-49811drbd: use after free in drbd_create_device()
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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 86.4% 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: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.0.10-1 | DEBIAN-CVE-2022-49811 |
| Debian:13 | linux | 6.0.10-1 | DEBIAN-CVE-2022-49811 |
| Debian:14 | linux | 6.0.10-1 | DEBIAN-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux | 5.15.0-67.74 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1031.35 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1034.41 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1034.41.1 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1030.37 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1028.33 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1016.21 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1026.29 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1026.31 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1029.34 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-67.74 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1023.23 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1030.36 | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1025.27 | UBUNTU-CVE-2022-49811 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2022-49811 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2022-49811 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before fc1897f16ebcfd22364f2afcc27f53a740f3bc7ab6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before 813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before 9ed51414aef6e59e832e2960f10766dce2d5b1a1b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before 7d93417d596402ddd46bd76c721f205d09d0d025b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before c2a00b149836d60c222930bbea6b2139caf34d4fb6f85ef9538b2111a8ba0bbfae9aaebabfc94961 – before a7a1598189228b5007369a9622ccdf587be0730f |
| Linux | Linux | 3.15 |
References
- https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a
- https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1
- https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5
- https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1
- https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025
- https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f
- https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f