{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix memory leak in aRFS after reset\n\nFix aRFS (accelerated Receive Flow Steering) structures memory leak by\nadding a checker to verify if aRFS memory is already allocated while\nconfiguring VSI. aRFS objects are allocated in two cases:\n- as part of VSI initialization (at probe), and\n- as part of reset handling\n\nHowever, VSI reconfiguration executed during reset involves memory\nallocation one more time, without prior releasing already allocated\nresources. This led to the memory leak with the following signature:\n\n[root@os-delivery ~]# cat /sys/kernel/debug/kmemleak\nunreferenced object 0xff3c1ca7252e6000 (size 8192):\n comm \"kworker/0:0\", pid 8, jiffies 4296833052\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 [] __kmalloc_cache_noprof+0x275/0x340\n [] ice_init_arfs+0x3a/0xe0 [ice]\n [] ice_vsi_cfg_def+0x607/0x850 [ice]\n [] ice_vsi_setup+0x5b/0x130 [ice]\n [] ice_init+0x1c1/0x460 [ice]\n [] ice_probe+0x2af/0x520 [ice]\n [] local_pci_probe+0x43/0xa0\n [] work_for_cpu_fn+0x13/0x20\n [] process_one_work+0x179/0x390\n [] worker_thread+0x239/0x340\n [] kthread+0xcc/0x100\n [] ret_from_fork+0x2d/0x50\n [] ret_from_fork_asm+0x1a/0x30\n ...", "category":"general", "title":"Synopsis" } ], "publisher":null, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21981" }, { "summary":"CVE-2025-21981 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2025/csaf-openeuler-cve-2025-21981.json" }, { "summary":"openEuler-SA-2026-1341", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1341" }, { "summary":"CVE-2025-21981", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-21981&packageName=kernel" } ], "title":"openEuler cve CVE-2025-21981", "tracking":{ "initial_release_date":"2026-02-14T15:37:44+08:00", "revision_history":[ { "date":"2026-02-14T15:37:44+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-02-14T15:37:44+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-02-14T15:37:44+08:00", "id":"CVE-2025-21981", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { 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if aRFS memory is already allocated while\nconfiguring VSI. aRFS objects are allocated in two cases:\n- as part of VSI initialization (at probe), and\n- as part of reset handling\n\nHowever, VSI reconfiguration executed during reset involves memory\nallocation one more time, without prior releasing already allocated\nresources. This led to the memory leak with the following signature:\n\n[root@os-delivery ~]# cat /sys/kernel/debug/kmemleak\nunreferenced object 0xff3c1ca7252e6000 (size 8192):\n comm \"kworker/0:0\", pid 8, jiffies 4296833052\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 [] __kmalloc_cache_noprof+0x275/0x340\n [] ice_init_arfs+0x3a/0xe0 [ice]\n [] ice_vsi_cfg_def+0x607/0x850 [ice]\n [] ice_vsi_setup+0x5b/0x130 [ice]\n [] ice_init+0x1c1/0x460 [ice]\n [] ice_probe+0x2af/0x520 [ice]\n [] local_pci_probe+0x43/0xa0\n [] work_for_cpu_fn+0x13/0x20\n [] process_one_work+0x179/0x390\n [] worker_thread+0x239/0x340\n [] kthread+0xcc/0x100\n [] ret_from_fork+0x2d/0x50\n [] ret_from_fork_asm+0x1a/0x30\n ...", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ 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"openEuler-22.03-LTS-SP4:kernel-5.10.0-301.0.0.204.oe2203sp4.src" ] } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2025-21981" } ] }