CVE-2026-43430
Description
In the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which probing can overwrite already retrieved data.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2026-43430 NameCVE-2026-43430 DescriptionIn the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which probing can overwrite already retrieved data. SourceCVE (at…
CVE-2026-43430
| Name | CVE-2026-43430 |
| Description | In the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which probing can overwrite already retrieved data. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4606-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | vulnerable |
| bullseye (security) | 5.10.257-1 | fixed | |
| bookworm | 6.1.170-3 | fixed | |
| bookworm (security) | 6.1.174-1 | fixed | |
| trixie | 6.12.86-1 | fixed | |
| trixie (security) | 6.12.90-2 | fixed | |
| forky | 7.0.9-1 | fixed | |
| sid | 7.0.10-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | bullseye | 5.10.257-1 | DLA-4606-1 | ||
| linux | source | bookworm | 6.1.170-1 | |||
| linux | source | trixie | 6.12.85-1 | |||
| linux | source | (unstable) | 6.19.10-1 |
Notes
https://git.kernel.org/linus/7a875c09899ba0404844abfd8f0d54cdc481c151 (7.0-rc4)
Apply commands
https://git.kernel.org/linus/7a875c09899ba0404844abfd8f0d54cdc481c151 (7.0-rc4)OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 6.1.170-1 |
| debian | bullseye | fixed | 5.10.257-1 |
| debian | forky | fixed | 6.19.10-1 |
| debian | sid | fixed | 6.19.10-1 |
| debian | trixie | fixed | 6.12.85-1 |
| linux-kernel | affected | 5.10.253 | |
| linux-kernel | 7.0 | affected | |
References
- https://git.kernel.org/stable/c/3cec135415a89723e2d38e1c8cc5098203355965
- https://git.kernel.org/stable/c/687d26d43a5aaf44323ce7d601cf242bb87e9559
- https://git.kernel.org/stable/c/7a875c09899ba0404844abfd8f0d54cdc481c151
- https://git.kernel.org/stable/c/939e3d17b843b0bae70467fef4481069d73c8520
- https://git.kernel.org/stable/c/a41d3d9202e951995cfac6248c565423079c71fa
- https://git.kernel.org/stable/c/a7934d7202a39c3160aa30521c382c7b744ae4a2
- https://git.kernel.org/stable/c/a8b3b3d730acea1640bc89465f2832cf06a1e13a
- https://git.kernel.org/stable/c/af83e92c329f11139d5eea2b5b7b83c26c3f67e7
- https://www.suse.com/security/cve/CVE-2026-43430.html
- https://security-tracker.debian.org/tracker/CVE-2026-43430
CWEs
CWE-362
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.