CVE-2025-68378
bpf: Fix stackmap overflow check in __bpf_get_stackid()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 24, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
ee2a098851bfbe8bcdd964c0121f4246f00ff41e < d1f424a77b6bd27b361737ed73df49a0158f1590 ee2a098851bfbe8bcdd964c0121f4246f00ff41e < 2a008f6de163279deffd488c1deab081bce5667c ee2a098851bfbe8bcdd964c0121f4246f00ff41e < 4669a8db976c8cbd5427fe9945f12c5fa5168ff3 ee2a098851bfbe8bcdd964c0121f4246f00ff41e < 23f852daa4bab4d579110e034e4d513f7d490846 90805175a206f784b6a77f16f07b07f6803e286b 398ac11f4425d1e52aaf0d05d4fc90524e1a5b5e e750f78c4ed7cefbcefb9769b3b9e08033db39da 6c4f243b58f5362e983386488b2d563764c567af
Linux / Linux
5.18
References
git.kernel.org: https://git.kernel.org/stable/c/d1f424a77b6bd27b361737ed73df49a0158f1590 git.kernel.org: https://git.kernel.org/stable/c/2a008f6de163279deffd488c1deab081bce5667c git.kernel.org: https://git.kernel.org/stable/c/4669a8db976c8cbd5427fe9945f12c5fa5168ff3 git.kernel.org: https://git.kernel.org/stable/c/23f852daa4bab4d579110e034e4d513f7d490846