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5.5
CVE-2022-50114: Linux kernel 9p network code can leak resources
CVE-2022-50114 · published 1 year ago
Summary
The Linux kernel's 9p network component could leave internal data unreleased during certain error conditions, causing a temporary resource leak. Over time this could degrade system performance or lead to crashes. Apply the latest kernel updates that include the fix to prevent the leak.
What to do
- Update debian linux to version 5.10.262-1.
- Update debian linux to version 5.19.6-1.
- Update canonical linux-aws-5.15 to version 5.15.0-1023.27~20.04.1.
- Update canonical linux-azure-5.15 to version 5.15.0-1023.29~20.04.1.
- Update canonical linux-gcp-5.15 to version 5.15.0-1022.29~20.04.1.
- Update canonical linux-hwe-5.15 to version 5.15.0-53.59~20.04.1.
- Update canonical linux-intel-iotg-5.15 to version 5.15.0-1018.23~20.04.1.
- Update canonical linux-lowlatency-hwe-5.15 to version 5.15.0-53.59~20.04.1.
- Update canonical linux-oracle-5.15 to version 5.15.0-1022.28~20.04.1.
- Update canonical linux-riscv-5.15 to version 5.15.0-1023.27~20.04.1.
- Update canonical linux to version 5.15.0-53.59.
- Update canonical linux-aws to version 5.15.0-1023.27.
- Update canonical linux-azure to version 5.15.0-1023.29.
- Update canonical linux-gcp to version 5.15.0-1022.29.
- Update canonical linux-gke to version 5.15.0-1020.25.
- Update canonical linux-gkeop to version 5.15.0-1008.12.
- Update canonical linux-ibm to version 5.15.0-1018.21.
- Update canonical linux-intel-iotg to version 5.15.0-1018.23.
- Update canonical linux-kvm to version 5.15.0-1021.26.
- Update canonical linux-lowlatency to version 5.15.0-53.59.
- Update canonical linux-nvidia to version 5.15.0-1015.15.
- Update canonical linux-oracle to version 5.15.0-1022.28.
- Update canonical linux-raspi to version 5.15.0-1018.20.
- Update canonical linux-realtime to version 5.15.0-1025.28.
- Update debian rootio-linux to version 5.10.249-1.root.io.52.
- Update linux kernel to version 5.19.2.
- Update canonical linux-azure-fde to version 5.15.0-1024.30.1.
- Update linux linux to version 9bc63a124cc20a69a126e45e3d593d5807bb5258 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | linux | linux_kernel |
>= 4.19.57, < 5.15.61 >= 5.16, < 5.18.18 >= 5.19, < 5.19.2 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Ubuntu:24.04:LTS | canonical | linux-realtime | All versions |
| Ubuntu:24.04:LTS | canonical | linux-riscv | All versions |
| Debian:11 | debian | linux |
< 5.10.262-1 Fix: upgrade to 5.10.262-1
|
| Debian:12 | debian | linux |
< 5.19.6-1 Fix: upgrade to 5.19.6-1
|
| Debian:13 | debian | linux |
< 5.19.6-1 Fix: upgrade to 5.19.6-1
|
| Debian:14 | debian | linux |
< 5.19.6-1 Fix: upgrade to 5.19.6-1
|
| Ubuntu:16.04:LTS | canonical | linux-hwe-edge | All versions |
| Ubuntu:18.04:LTS | canonical | linux-aws-5.0 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-aws-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-aws-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-azure-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure-edge | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gcp | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gcp-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-gcp-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gke-4.15 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gke-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gkeop-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-hwe | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-hwe-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-hwe-edge | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-ibm-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oem | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oracle-5.0 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oracle-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-oracle-5.4 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-raspi-5.4 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.15 |
< 5.15.0-1023.27~20.04.1 Fix: upgrade to 5.15.0-1023.27~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-azure-5.15 |
< 5.15.0-1023.29~20.04.1 Fix: upgrade to 5.15.0-1023.29~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.15 |
< 5.15.0-1022.29~20.04.1 Fix: upgrade to 5.15.0-1022.29~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.15 |
< 5.15.0-53.59~20.04.1 Fix: upgrade to 5.15.0-53.59~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-intel-iotg-5.15 |
< 5.15.0-1018.23~20.04.1 Fix: upgrade to 5.15.0-1018.23~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-lowlatency-hwe-5.15 |
< 5.15.0-53.59~20.04.1 Fix: upgrade to 5.15.0-53.59~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.15 |
< 5.15.0-1022.28~20.04.1 Fix: upgrade to 5.15.0-1022.28~20.04.1
|
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.15 |
< 5.15.0-1023.27~20.04.1 Fix: upgrade to 5.15.0-1023.27~20.04.1
|
| Ubuntu:Pro:20.04:LTS | canonical | linux | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-aws | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-fde | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-bluefield | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-gcp | All versions |
Showing 50 of 138. Show the rest
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gke | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gke-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gkeop | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gkeop-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-ibm | All versions |
| Ubuntu:20.04:LTS | canonical | linux-intel-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-iot | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-kvm | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.10 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.14 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.6 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-oracle | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-raspi | All versions |
| Ubuntu:20.04:LTS | canonical | linux-raspi2 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-xilinx-zynqmp | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:22.04:LTS | canonical | linux |
< 5.15.0-53.59 Fix: upgrade to 5.15.0-53.59
|
| Ubuntu:22.04:LTS | canonical | linux-allwinner-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws |
< 5.15.0-1023.27 Fix: upgrade to 5.15.0-1023.27
|
| Ubuntu:22.04:LTS | canonical | linux-aws-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure |
< 5.15.0-1023.29 Fix: upgrade to 5.15.0-1023.29
|
| Ubuntu:22.04:LTS | canonical | linux-azure-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-fde |
< 5.15.0-1024.30.1 Fix: upgrade to 5.15.0-1024.30.1
|
| Ubuntu:22.04:LTS | canonical | linux-azure-fde-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-fde-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp |
< 5.15.0-1022.29 Fix: upgrade to 5.15.0-1022.29
|
| Ubuntu:22.04:LTS | canonical | linux-gcp-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gke |
< 5.15.0-1020.25 Fix: upgrade to 5.15.0-1020.25
|
| Ubuntu:22.04:LTS | canonical | linux-gkeop |
< 5.15.0-1008.12 Fix: upgrade to 5.15.0-1008.12
|
| Ubuntu:22.04:LTS | canonical | linux-hwe-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-ibm |
< 5.15.0-1018.21 Fix: upgrade to 5.15.0-1018.21
|
| Ubuntu:22.04:LTS | canonical | linux-intel-iot-realtime | All versions |
| Ubuntu:22.04:LTS | canonical | linux-intel-iotg |
< 5.15.0-1018.23 Fix: upgrade to 5.15.0-1018.23
|
| Ubuntu:22.04:LTS | canonical | linux-kvm |
< 5.15.0-1021.26 Fix: upgrade to 5.15.0-1021.26
|
| Ubuntu:22.04:LTS | canonical | linux-lowlatency |
< 5.15.0-53.59 Fix: upgrade to 5.15.0-53.59
|
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia |
< 5.15.0-1015.15 Fix: upgrade to 5.15.0-1015.15
|
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-5.17 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.0 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.1 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oracle |
< 5.15.0-1022.28 Fix: upgrade to 5.15.0-1022.28
|
| Ubuntu:22.04:LTS | canonical | linux-oracle-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-raspi |
< 5.15.0-1018.20 Fix: upgrade to 5.15.0-1018.20
|
| Ubuntu:22.04:LTS | canonical | linux-realtime | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-6.5 | All versions |
| Ubuntu:Pro:Realtime:22.04:LTS | canonical | linux-realtime |
< 5.15.0-1025.28 Fix: upgrade to 5.15.0-1025.28
|
| Ubuntu:24.04:LTS | canonical | linux-raspi-realtime | All versions |
| – | linux | linux |
< 9bc63a124cc20a69a126e45e3d593d5807bb5258 4.20 |
| Root:Debian:11 | debian | rootio-linux |
< 5.10.249-1.root.io.52 Fix: upgrade to 5.10.249-1.root.io.52
|
| Linux | linux | kernel |
>= 5.19.0, < 5.19.2 Fix: upgrade to 5.19.2
|
Original advisory text
net: 9p: fix refcount leak in p9_read_work() error handling
In the Linux kernel, the following vulnerability has been resolved: net: 9p: fix refcount leak in p9_read_work() error handling p9_req_put need to be called when m->rreq->rc.sdata is NULL to avoid temporary refcount leak. [Dominique: commit wording adjustments, p9_req_put argument fixes for rebase]
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
- https://nvd.nist.gov/vuln/detail/CVE-2022-50114 Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50114... Vendor Advisory
- https://git.kernel.org/stable/c/34b9a188557c1d5a50e07cf228d054101aee0af3 Third Party Advisory
- https://git.kernel.org/stable/c/4ac7573e1f9333073fa8d303acc941c9b7ab7f61 Third Party Advisory
- https://ubuntu.com/security/CVE-2022-50114 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-50114 Third Party Advisory
- https://git.kernel.org/stable/c/9bc63a124cc20a69a126e45e3d593d5807bb5258 URL
- https://security-tracker.debian.org/tracker/CVE-2022-50114 Vendor Advisory
- https://git.kernel.org/stable/c/622f2a467bdfbce73fd43ea74b5f0fd2caaa8c5d Third Party Advisory
- https://git.kernel.org/stable/c/8324649b0035cbb30ebc3ca901540cb392e89041 Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published18 Jun 2025
Updated4 Nov 2026
First seen6 Mar 2026
Sources
CVE-2022-50114 · OSV
UBUNTU-CVE-2022-50114 · OSV
CVE-2022-50114 · MITRE
DEBIAN-CVE-2022-50114 · OSV
CVE-2022-50114 · NVD
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