CVE-2025-68355
Unknown
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
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 24, 2025
First seenDec 24, 2025
How to fix
Update
- Linux Linuxf0022551745d72fc0e7bc8601234d690dee2178d, 688b745401ab16e2e1a3b504863f0a45fd345638 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | baefdbdf6812e120c9fba9cfb101d3656f478026 ≤ v < f0022551745d72fc0e7bc8601234d690dee2178d, baefdbdf6812e120c9fba9cfb101d3656f478026 ≤ v < 688b745401ab16e2e1a3b504863f0a45fd345638, 6.18 | f0022551745d72fc0e7bc8601234d690dee2178d, 688b745401ab16e2e1a3b504863f0a45fd345638 |
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