VDB
DEBIAN-CVE-2026-23434
DEBIAN-CVE-2026-23434
PUBLISHED
CVSS 5.5 MEDIUM
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: serialize lock/unlock against other NAND operations nand_lock() and nand_unlock() call into chip->ops.lock_area/unlock_area without holding the NAND device lock. On controllers that implement SET_FEATURES via multiple low-level PIO commands, these can race with concurrent UBI/UBIFS background erase/write operations that hold the device lock, resulting in cmd_pending conflicts on the NAND controller. Add nand_get_device()/nand_release_device() around the lock/unlock operations to serialize them against all other NAND controller access.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | linux | 5.16, 6.16.5-1, 6.16.6-1 |
| Debian:11 | linux-6.1 | 6.1.162-1, 6.1.159-1, 6.1.158-1 |
| Debian:14 | linux | 6.15.1-1, 6.15.2-1, 6.15.3-1 |
| Debian:12 | linux | *, 6.6.13-1, 6.6.13-1~bpo12+1 |
| Debian:13 | linux | 6.12.38-1, 6.12.41-1, 6.12.43-1 |
Exploit Intelligence
- 4593.2.0.yml (github-poc)
- 4628.1.0.yml (github-poc)
Timeline
- Apr 3, 2026 CVE Published
- May 2, 2026 CVE Updated