Vulnerability · Published Feb 26, 2025 · Assigned by Linux
CVE-2022-49575tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.
Medium 4.7
In plain English
A medium-severity race condition 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 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.2%top 91.7% 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: tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts. While reading sysctl_tcp_thin_linear_timeouts, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.18.16-1 | DEBIAN-CVE-2022-49575 |
| Debian:13 | linux | 5.18.16-1 | DEBIAN-CVE-2022-49575 |
| Debian:14 | linux | 5.18.16-1 | DEBIAN-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux | 5.15.0-50.56 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1021.25 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1021.26 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1024.30.1 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1019.25 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1017.20 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1004.6 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1015.17 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1017.22 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1019.23 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-50.56 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1019.24 | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1016.18 | UBUNTU-CVE-2022-49575 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2022-49575 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2022-49575 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 36e31b0af58728071e8023cf8e20c5166b700717 – before f4b0295be9a3c4260de4585fac4062e602a88ac736e31b0af58728071e8023cf8e20c5166b700717 – before 492f3713b282c0e67e951cd804edd22eccc2541236e31b0af58728071e8023cf8e20c5166b700717 – before cc133e4f4bc225079198192623945bb872c0814336e31b0af58728071e8023cf8e20c5166b700717 – before 404c53ccdebd11f96954f4070cffac8e0b4d5cb636e31b0af58728071e8023cf8e20c5166b700717 – before a0f96c4f179cb3560078cefccef105e8f170121036e31b0af58728071e8023cf8e20c5166b700717 – before 7c6f2a86ca590d5187a073d987e9599985fb1c7c |
| Linux | Linux | 2.6.34 |
Weakness: CWE-362 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://git.kernel.org/stable/c/f4b0295be9a3c4260de4585fac4062e602a88ac7
- https://git.kernel.org/stable/c/492f3713b282c0e67e951cd804edd22eccc25412
- https://git.kernel.org/stable/c/cc133e4f4bc225079198192623945bb872c08143
- https://git.kernel.org/stable/c/404c53ccdebd11f96954f4070cffac8e0b4d5cb6
- https://git.kernel.org/stable/c/a0f96c4f179cb3560078cefccef105e8f1701210
- https://git.kernel.org/stable/c/7c6f2a86ca590d5187a073d987e9599985fb1c7c