CVE-2025-38510
In the Linux kernel, the following vulnerability has been resolved:
kasan: remove kasan_find_vm_area() to prevent possible deadlock
find_vm_area() couldn't be called in atomic_context. If find_vm_area() is called to reports vm area information, kasan can trigger deadlock like:
CPU0 CPU1 vmalloc(); alloc_vmap_area(); spin_lock(&vn->busy.lock) spin_lock_bh(&some_lock); <interrupt occurs> <in softirq> spin_lock(&some_lock); <access invalid address> kasan_report(); print_report(); print_address_description(); kasan_find_vm_area(); find_vm_area(); spin_lock(&vn->busy.lock) // deadlock!
To prevent possible deadlock while kasan reports, remove kasan_find_vm_area().
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 5.18 | 6.1.146 |
| linux / linux_kernel | 6.2 | 6.6.99 |
| linux / linux_kernel | 6.7 | 6.12.39 |
| linux / linux_kernel | 6.13 | 6.15.7 |
| linux / linux_kernel | 6.16-rc1 | 6.16-rc1.x |
| linux / linux_kernel | 6.16-rc2 | 6.16-rc2.x |
| linux / linux_kernel | 6.16-rc3 | 6.16-rc3.x |
| linux / linux_kernel | 6.16-rc4 | 6.16-rc4.x |
| linux / linux_kernel | 6.16-rc5 | 6.16-rc5.x |
| debian / debian_linux | 11.0 | 11.0.x |
- https://git.kernel.org/stable/c/0c3566d831def922cd56322c772a7b20d8b0e0c0
- https://git.kernel.org/stable/c/2d89dab1ea6086e6cbe6fe92531b496fb6808cb9
- https://git.kernel.org/stable/c/595f78d99b9051600233c0a5c4c47e1097e6ed01
- https://git.kernel.org/stable/c/6ee9b3d84775944fb8c8a447961cd01274ac671c
- https://git.kernel.org/stable/c/8377d7744bdce5c4b3f1b58924eebd3fdc078dfc
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
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