{"id":"CVE-2025-37955","summary":"virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()\n\nThe selftests added to our CI by Bui Quang Minh recently reveals\nthat there is a mem leak on the error path of virtnet_xsk_pool_enable():\n\nunreferenced object 0xffff88800a68a000 (size 2048):\n  comm \"xdp_helper\", pid 318, jiffies 4294692778\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 0):\n    __kvmalloc_node_noprof+0x402/0x570\n    virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)\n    xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)\n    xsk_bind+0x6a5/0x1ae0\n    __sys_bind+0x15e/0x230\n    __x64_sys_bind+0x72/0xb0\n    do_syscall_64+0xc1/0x1d0\n    entry_SYSCALL_64_after_hwframe+0x77/0x7f","modified":"2026-05-18T05:57:28.200226893Z","published":"2025-05-20T16:01:49.209Z","related":["SUSE-SU-2026:20555-1","SUSE-SU-2026:20599-1","SUSE-SU-2026:20615-1","openSUSE-SU-2026:20287-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37955.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4397684a292a71fbc1e815c3e283f7490ddce5ae"},{"type":"WEB","url":"https://git.kernel.org/stable/c/94a6f6c204abb2b2dcd2ce287536cc924469cfb5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ba6917810bb4a5a32661fa941717399052b3f0d9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37955.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37955"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568"},{"fixed":"94a6f6c204abb2b2dcd2ce287536cc924469cfb5"},{"fixed":"ba6917810bb4a5a32661fa941717399052b3f0d9"},{"fixed":"4397684a292a71fbc1e815c3e283f7490ddce5ae"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37955.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.11.0"},{"fixed":"6.12.29"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.14.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37955.json"}}],"schema_version":"1.7.5"}