CVE-2025-68378
Published: December 26, 2025Last modified: November 3, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in __bpf_get_stackid() Syzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid() when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack map bucket can hold, leading to an out-of-bounds write in the bucket's data array.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.191-r0) |
| 25 LTS | linux-lts | Fixed (6.12.65-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/03fe4c886667b3a09b9d6afc03bbc68afb35c82b
- https://git.kernel.org/stable/c/23f852daa4bab4d579110e034e4d513f7d490846
- https://git.kernel.org/stable/c/2a008f6de163279deffd488c1deab081bce5667c
- https://git.kernel.org/stable/c/4669a8db976c8cbd5427fe9945f12c5fa5168ff3
- https://git.kernel.org/stable/c/d1f424a77b6bd27b361737ed73df49a0158f1590
- https://git.kernel.org/stable/c/d6028caa0ee39dccd005468adfa3223b92bd3ad3