CVE-2025-37955

MEDIUM

Linux Kernel 6.11-6.12.28, 6.13-6.14.6 - Use-After-Free in virtnet_xsk_pool_enable

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable() The selftests added to our CI by Bui Quang Minh recently reveals that there is a mem leak on the error path of virtnet_xsk_pool_enable(): unreferenced object 0xffff88800a68a000 (size 2048): comm "xdp_helper", pid 318, jiffies 4294692778 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): __kvmalloc_node_noprof+0x402/0x570 virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882) xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226) xsk_bind+0x6a5/0x1ae0 __sys_bind+0x15e/0x230 __x64_sys_bind+0x72/0xb0 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Scores

CVSS v3 5.5
EPSS 0.0015
EPSS Percentile 4.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (12)
linux/Kernel 6.11.0 - 6.12.29linux
linux/Kernel 6.13.0 - 6.14.7linux
Linux/Linux < 6.11
Linux/Linux 6.11
Linux/Linux 6.12.29 - 6.12.*
Linux/Linux 6.14.7 - 6.14.*
Linux/Linux 6.15
Linux/Linux e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 - 4397684a292a71fbc1e815c3e283f7490ddce5ae
Linux/Linux e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 - 94a6f6c204abb2b2dcd2ce287536cc924469cfb5
Linux/Linux e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 - ba6917810bb4a5a32661fa941717399052b3f0d9
... and 2 more
Published May 20, 2025
Tracked Since Feb 18, 2026