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CVE-2025-68287 json

usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

published 2025-12-16 10 mo ago modified 2026-10-13 26 d ago also EUVD-2025-203793

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

In the Linux kernel, the following vulnerability has been resolved:

usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

This patch addresses a race condition caused by unsynchronized execution of multiple call paths invoking `dwc3_remove_requests()`, leading to premature freeing of USB requests and subsequent crashes.

Three distinct execution paths interact with `dwc3_remove_requests()`: Path 1: Triggered via `dwc3_gadget_reset_interrupt()` during USB reset handling. The call stack includes: - `dwc3_ep0_reset_state()` - `dwc3_ep0_stall_and_restart()` - `dwc3_ep0_out_start()` - `dwc3_remove_requests()` - `dwc3_gadget_del_and_unmap_request()`

Path 2: Also initiated from `dwc3_gadget_reset_interrupt()`, but through `dwc3_stop_active_transfers()`. The call stack includes: - `dwc3_stop_active_transfers()` - `dwc3_remove_requests()` - `dwc3_gadget_del_and_unmap_request()`

Path 3: Occurs independently during `adb root` execution, which triggers USB function unbind and bind operations. The sequence includes: - `gserial_disconnect()` - `usb_ep_disable()` - `dwc3_gadget_ep_disable()` - `dwc3_remove_requests()` with `-ESHUTDOWN` status

Path 3 operates asynchronously and lacks synchronization with Paths 1 and 2. When Path 3 completes, it disables endpoints and frees 'out' requests. If Paths 1 or 2 are still processing these requests, accessing freed memory leads to a crash due to use-after-free conditions.

To fix this added check for request completion and skip processing if already completed and added the request status for ep0 while queue.

Patch / fix

  • Linux Linux 5.10.247, 5.15.197, 6.1.159, 6.6.119, 6.12.61, 6.17.11, 6.18
  • linux Debian 12 6.1.159-1
  • linux Debian 13 6.12.63-1
  • linux Debian 14 6.17.11-1

debian advisories DEBIAN-CVE-2025-68287

  • linux Ubuntu 22.04 LTS 5.15.0-173.183
  • linux Ubuntu 24.04 LTS 6.8.0-106.106
  • linux Ubuntu 25.10 6.17.0-19.19
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1103.110
  • linux-aws Ubuntu 24.04 LTS 6.8.0-1050.53
  • linux-aws Ubuntu 25.10 6.17.0-1009.9
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1103.112
  • linux-gcp Ubuntu 24.04 LTS 6.8.0-1052.55

ubuntu advisories UBUNTU-CVE-2025-68287

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 9 5.14.0-611.24.1.el9_7
  • rv RHEL 9 5.14.0-611.24.1.el9_7
  • perf RHEL 9 5.14.0-611.24.1.el9_7
  • rtla RHEL 9 5.14.0-611.24.1.el9_7
  • libperf RHEL 9 5.14.0-611.24.1.el9_7
  • kernel-rt RHEL 9 5.14.0-611.24.1.el9_7
  • kernel-64k RHEL 9 5.14.0-611.24.1.el9_7
  • kernel-core RHEL 9 5.14.0-611.24.1.el9_7

red hat advisories RHSA-2026:0793RHSA-2026:0576RHSA-2026:0537RHSA-2026:0535RHSA-2026:0534RHSA-2026:0489

  • kernel-rt Linux Micro 6.1, Linux Micro 6.0 6.4.0-40.1
  • kernel-source-rt Linux Micro 6.1, Linux Micro 6.0 6.4.0-40.1
  • kernel-source Linux Micro 6.1, Linux Micro 6.0 6.4.0-39.1
  • kernel-default Linux Micro 6.1, Linux Micro 6.0 6.4.0-39.1
  • kernel-kvmsmall Linux Micro 6.1, Linux Micro 6.0 6.4.0-39.1
  • kernel-default-base Linux Micro 6.1, Linux Micro 6.0 6.4.0-39.1.21.16
  • kernel-rt Linux Micro 6.2 6.12.0-160000.9.1
  • kernel-64kb SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.9.1

suse advisories SUSE-SU-2026:1078-1SUSE-SU-2026:20845-1SUSE-SU-2026:20876-1SUSE-SU-2026:20477-1SUSE-SU-2026:20498-1SUSE-SU-2026:20207-1

  • kernel-rt openSUSE Leap 16.0 6.12.0-160000.9.1
  • dtb-aarch64 openSUSE Leap 16.0 6.12.0-160000.9.1
  • kernel-64kb openSUSE Leap 16.0 6.12.0-160000.9.1
  • kernel-syms openSUSE Leap 16.0 6.12.0-160000.9.1
  • kernel-azure openSUSE Leap 16.0 6.12.0-160000.9.1
  • kernel-obs-qa openSUSE Leap 16.0 6.12.0-160000.9.1
  • kernel-source openSUSE Leap 16.0 6.12.0-160000.9.1
  • kernel-default openSUSE Leap 16.0 6.12.0-160000.9.1

opensuse advisories openSUSE-SU-2026:20145-1

  • kernel AlmaLinux 9 5.14.0-611.24.1.el9_7
  • rv AlmaLinux 9 5.14.0-611.24.1.el9_7
  • perf AlmaLinux 9 5.14.0-611.24.1.el9_7
  • rtla AlmaLinux 9 5.14.0-611.24.1.el9_7
  • libperf AlmaLinux 9 5.14.0-611.24.1.el9_7
  • kernel-rt AlmaLinux 9 5.14.0-611.24.1.el9_7
  • kernel-64k AlmaLinux 9 5.14.0-611.24.1.el9_7
  • kernel-core AlmaLinux 9 5.14.0-611.24.1.el9_7

almalinux advisories ALSA-2026:0793ALSA-2026:0453

  • kernel Rocky Linux 9 5.14.0-611.24.1.el9_7
  • kernel Rocky Linux 10 6.12.0-124.27.1.el10_1

rocky linux advisories RLSA-2026:0793RLSA-2026:0453

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-68287 updated cvss 5.5

kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

  • Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 more
    affected: no fix available
  • Red Hat CodeReady Linux Builder EUS (v.9.4) libperf 5.14.0-427.106.1.el9_4, kernel-debuginfo-common-s390x 5.14.0-427.106.1.el9_4, kernel-debuginfo-common-x86_64 5.14.0-427.106.1.el9_4, kernel-debuginfo-common-aarch64 5.14.0-427.106.1.el9_4, kernel-debuginfo-common-ppc64le 5.14.0-427.106.1.el9_4
    fixed: vendor fix RHSA-2026:0489
  • Red Hat CodeReady Linux Builder EUS (v.9.6) libperf 5.14.0-570.77.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.77.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.77.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.77.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.77.1.el9_6
    fixed: vendor fix RHSA-2026:0457
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-611.24.1.el9_7, perf 5.14.0-611.24.1.el9_7, rtla 5.14.0-611.24.1.el9_7, python3-perf 5.14.0-611.24.1.el9_7, kernel-devel-matched 5.14.0-611.24.1.el9_7, kernel-64k-devel-matched 5.14.0-611.24.1.el9_7, +7 more
    fixed: vendor fix RHSA-2026:0793
  • Red Hat Enterprise Linux AppStream (v. 10) rv 6.12.0-124.27.1.el10_1, perf 6.12.0-124.27.1.el10_1, rtla 6.12.0-124.27.1.el10_1, python3-perf 6.12.0-124.27.1.el10_1, kernel-devel-matched 6.12.0-124.27.1.el10_1, kernel-64k-devel-matched 6.12.0-124.27.1.el10_1, +7 more
    fixed: vendor fix RHSA-2026:0453
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) perf 5.14.0-70.161.1.el9_0, kernel-devel-matched 5.14.0-70.161.1.el9_0, kernel-debug-devel-matched 5.14.0-70.161.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.161.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.161.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.161.1.el9_0, +2 more
    fixed: vendor fix RHSA-2026:0576
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) perf 5.14.0-284.152.1.el9_2, rtla 5.14.0-284.152.1.el9_2, kernel-devel-matched 5.14.0-284.152.1.el9_2, kernel-64k-devel-matched 5.14.0-284.152.1.el9_2, kernel-debug-devel-matched 5.14.0-284.152.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.152.1.el9_2, +5 more
    fixed: vendor fix RHSA-2026:0535
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) rv 5.14.0-427.106.1.el9_4, perf 5.14.0-427.106.1.el9_4, rtla 5.14.0-427.106.1.el9_4, kernel-devel-matched 5.14.0-427.106.1.el9_4, kernel-64k-devel-matched 5.14.0-427.106.1.el9_4, kernel-debug-devel-matched 5.14.0-427.106.1.el9_4, +6 more
    fixed: vendor fix RHSA-2026:0489
show 22 more
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) rv 5.14.0-570.77.1.el9_6, perf 5.14.0-570.77.1.el9_6, rtla 5.14.0-570.77.1.el9_6, python3-perf 5.14.0-570.77.1.el9_6, kernel-devel-matched 5.14.0-570.77.1.el9_6, kernel-64k-devel-matched 5.14.0-570.77.1.el9_6, +7 more
    fixed: vendor fix RHSA-2026:0457
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-611.24.1.el9_7, kernel-64k 5.14.0-611.24.1.el9_7, kernel-core 5.14.0-611.24.1.el9_7, kernel-tools 5.14.0-611.24.1.el9_7, kernel-modules 5.14.0-611.24.1.el9_7, kernel-64k-core 5.14.0-611.24.1.el9_7, +27 more
    fixed: vendor fix RHSA-2026:0793
  • Red Hat Enterprise Linux BaseOS (v. 10) kernel 6.12.0-124.27.1.el10_1, kernel-64k 6.12.0-124.27.1.el10_1, kernel-core 6.12.0-124.27.1.el10_1, kernel-tools 6.12.0-124.27.1.el10_1, kernel-modules 6.12.0-124.27.1.el10_1, kernel-64k-core 6.12.0-124.27.1.el10_1, +28 more
    fixed: vendor fix RHSA-2026:0453
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) kernel 5.14.0-70.161.1.el9_0, bpftool 5.14.0-70.161.1.el9_0, kernel-core 5.14.0-70.161.1.el9_0, kernel-tools 5.14.0-70.161.1.el9_0, python3-perf 5.14.0-70.161.1.el9_0, kernel-modules 5.14.0-70.161.1.el9_0, +14 more
    fixed: vendor fix RHSA-2026:0576
  • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool 7.0.0-284.152.1.el9_2, kernel 5.14.0-284.152.1.el9_2, kernel-64k 5.14.0-284.152.1.el9_2, kernel-core 5.14.0-284.152.1.el9_2, kernel-tools 5.14.0-284.152.1.el9_2, python3-perf 5.14.0-284.152.1.el9_2, +28 more
    fixed: vendor fix RHSA-2026:0535
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool 7.3.0-427.106.1.el9_4, kernel 5.14.0-427.106.1.el9_4, kernel-64k 5.14.0-427.106.1.el9_4, kernel-core 5.14.0-427.106.1.el9_4, kernel-tools 5.14.0-427.106.1.el9_4, python3-perf 5.14.0-427.106.1.el9_4, +28 more
    fixed: vendor fix RHSA-2026:0489
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel 5.14.0-570.77.1.el9_6, kernel-64k 5.14.0-570.77.1.el9_6, kernel-core 5.14.0-570.77.1.el9_6, kernel-tools 5.14.0-570.77.1.el9_6, kernel-modules 5.14.0-570.77.1.el9_6, kernel-64k-core 5.14.0-570.77.1.el9_6, +27 more
    fixed: vendor fix RHSA-2026:0457
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libperf 5.14.0-611.24.1.el9_7, kernel-debuginfo-common-s390x 5.14.0-611.24.1.el9_7, kernel-debuginfo-common-x86_64 5.14.0-611.24.1.el9_7, kernel-debuginfo-common-aarch64 5.14.0-611.24.1.el9_7, kernel-debuginfo-common-ppc64le 5.14.0-611.24.1.el9_7
    fixed: vendor fix RHSA-2026:0793
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libperf 6.12.0-124.27.1.el10_1, kernel-debuginfo-common-s390x 6.12.0-124.27.1.el10_1, kernel-debuginfo-common-x86_64 6.12.0-124.27.1.el10_1, kernel-debuginfo-common-aarch64 6.12.0-124.27.1.el10_1, kernel-debuginfo-common-ppc64le 6.12.0-124.27.1.el10_1
    fixed: vendor fix RHSA-2026:0453
  • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-kvm 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-core 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-modules 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-debug-kvm 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-debug-core 5.14.0-70.161.1.rt21.233.el9_0, +4 more
    fixed: vendor fix RHSA-2026:0537
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-611.24.1.el9_7, kernel-rt-64k 5.14.0-611.24.1.el9_7, kernel-rt-core 5.14.0-611.24.1.el9_7, kernel-rt-modules 5.14.0-611.24.1.el9_7, kernel-rt-64k-core 5.14.0-611.24.1.el9_7, kernel-rt-debug-core 5.14.0-611.24.1.el9_7, +14 more
    fixed: vendor fix RHSA-2026:0793
  • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt 6.12.0-124.27.1.el10_1, kernel-rt-64k 6.12.0-124.27.1.el10_1, kernel-rt-core 6.12.0-124.27.1.el10_1, kernel-rt-modules 6.12.0-124.27.1.el10_1, kernel-rt-64k-core 6.12.0-124.27.1.el10_1, kernel-rt-debug-core 6.12.0-124.27.1.el10_1, +14 more
    fixed: vendor fix RHSA-2026:0453
  • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-core 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-modules 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-debug-core 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-debug-modules 5.14.0-70.161.1.rt21.233.el9_0, kernel-rt-modules-extra 5.14.0-70.161.1.rt21.233.el9_0, +2 more
    fixed: vendor fix RHSA-2026:0537
  • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-core 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-modules 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-debug-core 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-modules-core 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-debug-modules 5.14.0-284.152.1.rt14.437.el9_2, +4 more
    fixed: vendor fix RHSA-2026:0534
  • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt 5.14.0-427.106.1.el9_4, kernel-rt-core 5.14.0-427.106.1.el9_4, kernel-rt-modules 5.14.0-427.106.1.el9_4, kernel-rt-debug-core 5.14.0-427.106.1.el9_4, kernel-rt-modules-core 5.14.0-427.106.1.el9_4, kernel-rt-debug-modules 5.14.0-427.106.1.el9_4, +4 more
    fixed: vendor fix RHSA-2026:0489
  • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt 5.14.0-570.77.1.el9_6, kernel-rt-64k 5.14.0-570.77.1.el9_6, kernel-rt-core 5.14.0-570.77.1.el9_6, kernel-rt-modules 5.14.0-570.77.1.el9_6, kernel-rt-64k-core 5.14.0-570.77.1.el9_6, kernel-rt-debug-core 5.14.0-570.77.1.el9_6, +14 more
    fixed: vendor fix RHSA-2026:0457
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-611.24.1.el9_7, kernel-rt-core 5.14.0-611.24.1.el9_7, kernel-rt-modules 5.14.0-611.24.1.el9_7, kernel-rt-debug-core 5.14.0-611.24.1.el9_7, kernel-rt-modules-core 5.14.0-611.24.1.el9_7, kernel-rt-debug-modules 5.14.0-611.24.1.el9_7, +4 more
    fixed: vendor fix RHSA-2026:0793
  • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt 6.12.0-124.27.1.el10_1, kernel-rt-core 6.12.0-124.27.1.el10_1, kernel-rt-modules 6.12.0-124.27.1.el10_1, kernel-rt-debug-core 6.12.0-124.27.1.el10_1, kernel-rt-modules-core 6.12.0-124.27.1.el10_1, kernel-rt-debug-modules 6.12.0-124.27.1.el10_1, +4 more
    fixed: vendor fix RHSA-2026:0453
  • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-kvm 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-core 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-modules 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-debug-kvm 5.14.0-284.152.1.rt14.437.el9_2, kernel-rt-debug-core 5.14.0-284.152.1.rt14.437.el9_2, +6 more
    fixed: vendor fix RHSA-2026:0534
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt 5.14.0-427.106.1.el9_4, kernel-rt-kvm 5.14.0-427.106.1.el9_4, kernel-rt-core 5.14.0-427.106.1.el9_4, kernel-rt-modules 5.14.0-427.106.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.106.1.el9_4, kernel-rt-debug-core 5.14.0-427.106.1.el9_4, +6 more
    fixed: vendor fix RHSA-2026:0489
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt 5.14.0-570.77.1.el9_6, kernel-rt-kvm 5.14.0-570.77.1.el9_6, kernel-rt-core 5.14.0-570.77.1.el9_6, kernel-rt-modules 5.14.0-570.77.1.el9_6, kernel-rt-debug-kvm 5.14.0-570.77.1.el9_6, kernel-rt-debug-core 5.14.0-570.77.1.el9_6, +6 more
    fixed: vendor fix RHSA-2026:0457
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

Affected products

  • Linux Linux

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.