Vulnerability · Published Jul 19, 2026 · Assigned by Linux
CVE-2026-63927usb: dwc2: Fix use after free in debug code
High 7.8
In plain English
A high-severity use-after-free 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 94.3% 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: usb: dwc2: Fix use after free in debug code We're not allowed to dereference "urb" after calling usb_hcd_giveback_urb() so save the urb->status ahead of time.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.176-1 | DEBIAN-CVE-2026-63927 |
| Debian:13 | linux | 6.12.94-1 | DEBIAN-CVE-2026-63927 |
| Debian:14 | linux | 7.0.12-1 | DEBIAN-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux | 5.15.0-198.208 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux | 6.8.0-146.146 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux | 7.0.0-28.28 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1117.124 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1066.69 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-aws | 7.0.0-1009.9 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1066.69~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1123.132 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1070.78 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-azure | 7.0.0-1010.10 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1070.78~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-7.0 | 7.0.0-1014.14~24.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1122.131 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1068.75 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-azure-fde | 7.0.0-1009.9 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1068.75~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-fde-7.0 | 7.0.0-1013.13~24.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1118.128 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1070.78 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-gcp | 7.0.0-1008.8 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1070.78~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gcp-7.0 | 7.0.0-1011.11~24.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1113.119 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1065.73 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-gke | 7.0.0-1003.4 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1100.108 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1051.55 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-hwe-7.0 | 7.0.0-28.28~24.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1111.115 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1066.67 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-ibm | 7.0.0-1010.10 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1066.67~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1112.118 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1109.114 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-195.205 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-146.146.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-146.146.1~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1112.113 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1064.67 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-nvidia | 7.0.0-1016.16 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1064.67~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-nvidia-7.0 | 7.0.0-1016.16~24.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-nvidia-bos | 7.0.0-2016.16 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1064.67.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1070.72 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1036.39 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1059.59 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-oem-7.0 | 7.0.0-1009.9 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1114.120 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1063.66 | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-oracle | 7.0.0-1008.8 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-oracle-7.0 | 7.0.0-1011.11~24.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-raspi | 7.0.0-1015.15 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-realtime | 7.0.0-28.28.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:26.04:LTS | linux-riscv | 7.0.0-28.28.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-146.146~22.04.1 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-riscv-7.0 | 7.0.0-28.28.1~24.04.3 | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-vmware | 6.8.0-1008.8 | UBUNTU-CVE-2026-63927 |
| Ubuntu:24.04:LTS | linux-xilinx | no fix listed | UBUNTU-CVE-2026-63927 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1080.84 | UBUNTU-CVE-2026-63927 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 7359d482eb4d3967cc8be354405ae6be6eaf732c – before d5fc183ed614aeba6779cc992325be560f9a44517359d482eb4d3967cc8be354405ae6be6eaf732c – before 63b0dafa676aad4d0c3f01a61ad8e2990907660c7359d482eb4d3967cc8be354405ae6be6eaf732c – before 9fe1d84f7e2cf33634e8afb7f4b7f8de182dd9137359d482eb4d3967cc8be354405ae6be6eaf732c – before 0584af4fe40fa5e254a05d69ce658746de6417087359d482eb4d3967cc8be354405ae6be6eaf732c – before a15eeeceb94cbc04edef395e4d777ff554bdc27d7359d482eb4d3967cc8be354405ae6be6eaf732c – before 84ea928ed584756e59c6ac09736f12d1db95ded07359d482eb4d3967cc8be354405ae6be6eaf732c – before 6d0b79d1d1118145e48a68192b6d733e393870537359d482eb4d3967cc8be354405ae6be6eaf732c – before 9ea06a3fbf9f16e0d98c52cb3b99642be15ec281 |
| Linux | Linux | 3.10 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://git.kernel.org/stable/c/d5fc183ed614aeba6779cc992325be560f9a4451
- https://git.kernel.org/stable/c/63b0dafa676aad4d0c3f01a61ad8e2990907660c
- https://git.kernel.org/stable/c/9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913
- https://git.kernel.org/stable/c/0584af4fe40fa5e254a05d69ce658746de641708
- https://git.kernel.org/stable/c/a15eeeceb94cbc04edef395e4d777ff554bdc27d
- https://git.kernel.org/stable/c/84ea928ed584756e59c6ac09736f12d1db95ded0
- https://git.kernel.org/stable/c/6d0b79d1d1118145e48a68192b6d733e39387053
- https://git.kernel.org/stable/c/9ea06a3fbf9f16e0d98c52cb3b99642be15ec281