CVE-2025-68355

Linux Kernel 6.18-6.18.1 - Memory Leak in BPF Map Creation

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exclusive map memory leak When excl_prog_hash is 0 and excl_prog_hash_size is non-zero, the map also needs to be freed. Otherwise, the map memory will not be reclaimed, just like the memory leak problem reported by syzbot [1]. syzbot reported: BUG: memory leak backtrace (crc 7b9fb9b4): map_create+0x322/0x11e0 kernel/bpf/syscall.c:1512 __sys_bpf+0x3556/0x3610 kernel/bpf/syscall.c:6131

Scores

EPSS 0.0003
EPSS Percentile 7.5%

Details

Status published
Products (7)
linux/Kernel 6.18.0 - 6.18.2linux
Linux/Linux < 6.18
Linux/Linux 6.18
Linux/Linux 6.18.2 - 6.18.*
Linux/Linux 6.19
Linux/Linux baefdbdf6812e120c9fba9cfb101d3656f478026 - 688b745401ab16e2e1a3b504863f0a45fd345638
Linux/Linux baefdbdf6812e120c9fba9cfb101d3656f478026 - f0022551745d72fc0e7bc8601234d690dee2178d
Published Dec 24, 2025
Tracked Since Feb 18, 2026