CVE-2025-38462
Description
In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_{g2h,h2g} TOCTOU vsock_find_cid() and vsock_dev_do_ioctl() may race with module unload. transport_{g2h,h2g} may become NULL after the NULL check. Introduce vsock_transport_local_cid() to protect from a potential null-ptr-deref. KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] RIP: 0010:vsock_find_cid+0x47/0x90 Call Trace: __vsock_bind+0x4b2/0x720 vsock_bind+0x90/0xe0 __sys_bind+0x14d/0x1e0 __x64_sys_bind+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53 KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] RIP: 0010:vsock_dev_do_ioctl.isra.0+0x58/0xf0 Call Trace: __x64_sys_ioctl+0x12d/0x190 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53
How to fix
- linux linux_kernel5.10.240, 5.15.189, 6.1.146, 6.6.99, 6.12.39, 6.15.7 or later
- git.kernel.org/stable/c/209fd720838aaf1420416494c5505096478156b4
- git.kernel.org/stable/c/3734d78210cceb2ee5615719a62a5c55ed381ff8
- git.kernel.org/stable/c/401239811fa728fcdd53e360a91f157ffd23e1f4
- git.kernel.org/stable/c/5752d8dbb3dfd7f1a9faf0f65377e60826ea9a17
- git.kernel.org/stable/c/6a1bcab67bea797d83aa9dd948a0ac6ed52d121d
- git.kernel.org/stable/c/80d7dc15805a93d520a249ac6d13d4f4df161c1b
- git.kernel.org/stable/c/c5496ee685c48ed1cc183cd4263602579bb4a615
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.5 ≤ v < 5.10.240, 5.11 ≤ v < 5.15.189, 5.16 ≤ v < 6.1.146, 6.2 ≤ v < 6.6.99, 6.7 ≤ v < 6.12.39, 6.13 ≤ v < 6.15.7, 6.16 | 5.10.240, 5.15.189, 6.1.146, 6.6.99, 6.12.39, 6.15.7 |
| debian debian_linux | 11.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.