🛡️ CVE-2026-43223 on Ubuntu — linux

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix URB leak in pvr2_send_request_ex When pvr2_send_request_ex() submits a write URB successfully but fails to submit the read URB (e.g. returns -ENOMEM), it returns immediately without waiting for the write URB to complete. Since the driver reuses the same URB structure, a subsequent call to pvr2_send_request_ex() attempts to submit the still-active write URB, triggering a 'URB submitted while active' warning in usb_submit_urb(). Fix this by ensuring the write URB is unlinked and waited upon if the read URB submission fails.

Distribution advisory

This page covers CVE-2026-43223 as tracked by Ubuntu, for the package linux. The fix is available in version 5.15.0-1112.119~20.04.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

UBUNTU-CVE-2026-43223 is recorded against 158 packages.

  • linux
  • linux-allwinner-5.19
  • linux-aws
  • linux-aws-5.0
  • linux-aws-5.11
  • linux-aws-5.13
  • linux-aws-5.15 (fixed in 5.15.0-1112.119~20.04.1)
  • linux-aws-5.19
  • linux-aws-5.3
  • linux-aws-5.4
  • linux-aws-5.8
  • linux-aws-6.14
  • linux-aws-6.17
  • linux-aws-6.2
  • linux-aws-6.5
  • linux-aws-6.8 (fixed in 6.8.0-1060.63~22.04.1)
  • linux-aws-fips (fixed in 6.8.0-1060.63+fips1)
  • linux-aws-hwe
  • linux-azure
  • linux-azure-4.15
  • linux-azure-5.11
  • linux-azure-5.13
  • linux-azure-5.15 (fixed in 5.15.0-1117.126~20.04.1)
  • linux-azure-5.19
Show the remaining 134 packages
  • linux-azure-5.3
  • linux-azure-5.4
  • linux-azure-5.8
  • linux-azure-6.11
  • linux-azure-6.14
  • linux-azure-6.17
  • linux-azure-6.2
  • linux-azure-6.5
  • linux-azure-6.8 (fixed in 6.8.0-1063.71~22.04.1)
  • linux-azure-edge
  • linux-azure-fde
  • linux-azure-fde-5.15 (fixed in 5.15.0-1117.126~20.04.2)
  • linux-azure-fde-5.19
  • linux-azure-fde-6.14
  • linux-azure-fde-6.17
  • linux-azure-fde-6.2
  • linux-azure-fde-6.8 (fixed in 6.8.0-1062.69~22.04.1)
  • linux-azure-fips (fixed in 6.8.0-1062.69+fips1)
  • linux-azure-nvidia
  • linux-azure-nvidia-6.14
  • linux-bluefield
  • linux-fips (fixed in 6.8.0-134.134+fips1)
  • linux-gcp
  • linux-gcp-4.15
  • linux-gcp-5.11
  • linux-gcp-5.13
  • linux-gcp-5.15
  • linux-gcp-5.19
  • linux-gcp-5.3
  • linux-gcp-5.4
  • linux-gcp-5.8
  • linux-gcp-6.11
  • linux-gcp-6.14
  • linux-gcp-6.17
  • linux-gcp-6.2
  • linux-gcp-6.5
  • linux-gcp-6.8 (fixed in 6.8.0-1063.69~22.04.1)
  • linux-gcp-fips (fixed in 6.8.0-1063.69+fips1)
  • linux-gke (fixed in 6.8.0-1058.64)
  • linux-gke-4.15
  • linux-gke-5.15
  • linux-gke-5.4
  • linux-gkeop (fixed in 6.8.0-1045.48)
  • linux-gkeop-5.15
  • linux-gkeop-5.4
  • linux-hwe
  • linux-hwe-5.11
  • linux-hwe-5.13
  • linux-hwe-5.15 (fixed in 5.15.0-186.196~20.04.1)
  • linux-hwe-5.19
  • linux-hwe-5.4
  • linux-hwe-5.8
  • linux-hwe-6.11
  • linux-hwe-6.14
  • linux-hwe-6.17
  • linux-hwe-6.2
  • linux-hwe-6.5
  • linux-hwe-6.8 (fixed in 6.8.0-136.136~22.04.1)
  • linux-hwe-edge
  • linux-ibm (fixed in 6.8.0-1060.61)
  • linux-ibm-5.15 (fixed in 5.15.0-1106.110~20.04.1)
  • linux-ibm-5.4
  • linux-ibm-6.8 (fixed in 6.8.0-1060.61~22.04.1)
  • linux-intel-5.13
  • linux-intel-iot-realtime (fixed in 5.15.0-1104.106)
  • linux-intel-iotg (fixed in 5.15.0-1107.113)
  • linux-intel-iotg-5.15 (fixed in 5.15.0-1107.113~20.04.1)
  • linux-iot
  • linux-kvm (fixed in 5.15.0-1104.109)
  • linux-lowlatency (fixed in 6.8.0-134.134.1)
  • linux-lowlatency-hwe-5.15 (fixed in 5.15.0-184.194~20.04.1)
  • linux-lowlatency-hwe-5.19
  • linux-lowlatency-hwe-6.11
  • linux-lowlatency-hwe-6.2
  • linux-lowlatency-hwe-6.5
  • linux-lowlatency-hwe-6.8 (fixed in 6.8.0-134.134.1~22.04.1)
  • linux-lts-xenial
  • linux-nvidia (fixed in 6.8.0-1058.61)
  • linux-nvidia-6.11
  • linux-nvidia-6.17
  • linux-nvidia-6.2
  • linux-nvidia-6.5
  • linux-nvidia-6.8 (fixed in 6.8.0-1058.61~22.04.1)
  • linux-nvidia-lowlatency (fixed in 6.8.0-1058.61.1)
  • linux-nvidia-tegra (fixed in 6.8.0-1029.30)
  • linux-nvidia-tegra-5.15 (fixed in 5.15.0-1064.66~20.04.1)
  • linux-nvidia-tegra-igx (fixed in 5.15.0-1053.53)
  • linux-oem
  • linux-oem-5.10
  • linux-oem-5.13
  • linux-oem-5.14
  • linux-oem-5.17
  • linux-oem-5.6
  • linux-oem-6.0
  • linux-oem-6.1
  • linux-oem-6.11
  • linux-oem-6.14
  • linux-oem-6.17
  • linux-oem-6.5
  • linux-oem-6.8
  • linux-oracle
  • linux-oracle-5.0
  • linux-oracle-5.11
  • linux-oracle-5.13
  • linux-oracle-5.15 (fixed in 5.15.0-1109.115~20.04.1)
  • linux-oracle-5.3
  • linux-oracle-5.4
  • linux-oracle-5.8
  • linux-oracle-6.14
  • linux-oracle-6.17
  • linux-oracle-6.5
  • linux-oracle-6.8 (fixed in 6.8.0-1057.58~22.04.1)
  • linux-raspi
  • linux-raspi-5.4
  • linux-raspi-realtime (fixed in 6.8.0-2049.50)
  • linux-raspi2
  • linux-realtime
  • linux-realtime-6.14
  • linux-realtime-6.17
  • linux-realtime-6.8 (fixed in 6.8.1-1055.56~22.04.1)
  • linux-riscv
  • linux-riscv-5.11
  • linux-riscv-5.15 (fixed in 5.15.0-1106.110~20.04.1)
  • linux-riscv-5.19
  • linux-riscv-5.8
  • linux-riscv-6.14
  • linux-riscv-6.17
  • linux-riscv-6.5
  • linux-riscv-6.8 (fixed in 6.8.0-134.134~22.04.1)
  • linux-starfive-5.19
  • linux-starfive-6.2
  • linux-starfive-6.5
  • linux-xilinx (fixed in 6.8.0-1032.33)
  • linux-xilinx-zynqmp (fixed in 5.15.0-1075.79)

Timeline and source

Published on 6 May 2026 and last revised on 11 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.cve.org (Report)
git.kernel.org (Report)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)

CVE-2026-43223 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-06
Updated 2026-08-12
Modified 2026-08-11
Fix URL N/A

Affected Packages

Software From version Fixed in
linux
linux-allwinner-5.19
linux-aws
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 5.15.0-1112.119~20.04.1
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4
linux-aws-5.8
linux-aws-6.14
linux-aws-6.17
linux-aws-6.2
linux-aws-6.5
linux-aws-6.8 6.8.0-1060.63~22.04.1
linux-aws-fips 6.8.0-1060.63+fips1
linux-aws-hwe
linux-azure
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 5.15.0-1117.126~20.04.1
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4
linux-azure-5.8
linux-azure-6.11
linux-azure-6.14
linux-azure-6.17
linux-azure-6.2
linux-azure-6.5
linux-azure-6.8 6.8.0-1063.71~22.04.1
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.15 5.15.0-1117.126~20.04.2
linux-azure-fde-5.19
linux-azure-fde-6.14
linux-azure-fde-6.17
linux-azure-fde-6.2
linux-azure-fde-6.8 6.8.0-1062.69~22.04.1
linux-azure-fips 6.8.0-1062.69+fips1
linux-azure-nvidia
linux-azure-nvidia-6.14
linux-bluefield
linux-fips 6.8.0-134.134+fips1
linux-gcp
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4
linux-gcp-5.8
linux-gcp-6.11
linux-gcp-6.14
linux-gcp-6.17
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-6.8 6.8.0-1063.69~22.04.1
linux-gcp-fips 6.8.0-1063.69+fips1
linux-gke 6.8.0-1058.64
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop 6.8.0-1045.48
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 5.15.0-186.196~20.04.1
linux-hwe-5.19
linux-hwe-5.4
linux-hwe-5.8
linux-hwe-6.11
linux-hwe-6.14
linux-hwe-6.17
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-6.8 6.8.0-136.136~22.04.1
linux-hwe-edge
linux-ibm 6.8.0-1060.61
linux-ibm-5.15 5.15.0-1106.110~20.04.1
linux-ibm-5.4
linux-ibm-6.8 6.8.0-1060.61~22.04.1
linux-intel-5.13
linux-intel-iot-realtime 5.15.0-1104.106
linux-intel-iotg 5.15.0-1107.113
linux-intel-iotg-5.15 5.15.0-1107.113~20.04.1
linux-iot
linux-kvm 5.15.0-1104.109
linux-lowlatency 6.8.0-134.134.1
linux-lowlatency-hwe-5.15 5.15.0-184.194~20.04.1
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.11
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-lowlatency-hwe-6.8 6.8.0-134.134.1~22.04.1
linux-lts-xenial
linux-nvidia 6.8.0-1058.61
linux-nvidia-6.11
linux-nvidia-6.17
linux-nvidia-6.2
linux-nvidia-6.5
linux-nvidia-6.8 6.8.0-1058.61~22.04.1
linux-nvidia-lowlatency 6.8.0-1058.61.1
linux-nvidia-tegra 6.8.0-1029.30
linux-nvidia-tegra-5.15 5.15.0-1064.66~20.04.1
linux-nvidia-tegra-igx 5.15.0-1053.53
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oem-6.1
linux-oem-6.11
linux-oem-6.14
linux-oem-6.17
linux-oem-6.5
linux-oem-6.8
linux-oracle
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 5.15.0-1109.115~20.04.1
linux-oracle-5.3
linux-oracle-5.4
linux-oracle-5.8
linux-oracle-6.14
linux-oracle-6.17
linux-oracle-6.5
linux-oracle-6.8 6.8.0-1057.58~22.04.1
linux-raspi
linux-raspi-5.4
linux-raspi-realtime 6.8.0-2049.50
linux-raspi2
linux-realtime
linux-realtime-6.14
linux-realtime-6.17
linux-realtime-6.8 6.8.1-1055.56~22.04.1
linux-riscv
linux-riscv-5.11
linux-riscv-5.15 5.15.0-1106.110~20.04.1
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.14
linux-riscv-6.17
linux-riscv-6.5
linux-riscv-6.8 6.8.0-134.134~22.04.1
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx 6.8.0-1032.33
linux-xilinx-zynqmp 5.15.0-1075.79

References

Similar Threats

Vulnerability Monitoring

Track new vulnerabilities in linux

UBUNTU-CVE-2026-43223 is rated CVSS 5.5 Medium. BotEraser monitors your WordPress installation and notifies you when software you use appears in our vulnerability database.

Set Up Free Alerts →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.