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
References
Configurations
Configuration 1 (hide)
|
History
14 Nov 2025, 17:03
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* |
|
| CWE | CWE-401 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
| First Time |
Linux linux Kernel
Linux |
|
| References | () https://git.kernel.org/stable/c/4397684a292a71fbc1e815c3e283f7490ddce5ae - Patch | |
| References | () https://git.kernel.org/stable/c/94a6f6c204abb2b2dcd2ce287536cc924469cfb5 - Patch | |
| References | () https://git.kernel.org/stable/c/ba6917810bb4a5a32661fa941717399052b3f0d9 - Patch |
Information
Published : 2025-05-20 16:15
Updated : 2025-11-14 17:03
NVD link : CVE-2025-37955
Mitre link : CVE-2025-37955
CVE.ORG link : CVE-2025-37955
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-401
Missing Release of Memory after Effective Lifetime