CVE-2025-21981

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://git.kernel.org/stable/c/23d97f18901ef5e4e264e3b1777fe65c760186b5", "name": "https://git.kernel.org/stable/c/23d97f18901ef5e4e264e3b1777fe65c760186b5", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/3b27e6e10a32589fcd293b8933ab6de9387a460e", "name": "https://git.kernel.org/stable/c/3b27e6e10a32589fcd293b8933ab6de9387a460e", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/5d30d256661fc11b6e73fac6c3783a702e1006a3", "name": "https://git.kernel.org/stable/c/5d30d256661fc11b6e73fac6c3783a702e1006a3", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/78f3d64b30210c0e521c59357431aca14024cb79", "name": "https://git.kernel.org/stable/c/78f3d64b30210c0e521c59357431aca14024cb79", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/e6902101f34f098af59b0d1d8cf90c4124c02c6a", "name": "https://git.kernel.org/stable/c/e6902101f34f098af59b0d1d8cf90c4124c02c6a", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/ef2bc94059836a115430a6ad9d2838b0b34dc8f5", "name": "https://git.kernel.org/stable/c/ef2bc94059836a115430a6ad9d2838b0b34dc8f5", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/fcbacc47d16306c87ad1b820b7a575f6e9eae58b", "name": "https://git.kernel.org/stable/c/fcbacc47d16306c87ad1b820b7a575f6e9eae58b", "tags": ["Patch"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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 [<ffffffff991ec485>] __kmalloc_cache_noprof+0x275/0x340\n [<ffffffffc0a6e06a>] ice_init_arfs+0x3a/0xe0 [ice]\n [<ffffffffc09f1027>] ice_vsi_cfg_def+0x607/0x850 [ice]\n [<ffffffffc09f244b>] ice_vsi_setup+0x5b/0x130 [ice]\n [<ffffffffc09c2131>] ice_init+0x1c1/0x460 [ice]\n [<ffffffffc09c64af>] ice_probe+0x2af/0x520 [ice]\n [<ffffffff994fbcd3>] local_pci_probe+0x43/0xa0\n [<ffffffff98f07103>] work_for_cpu_fn+0x13/0x20\n [<ffffffff98f0b6d9>] process_one_work+0x179/0x390\n [<ffffffff98f0c1e9>] worker_thread+0x239/0x340\n [<ffffffff98f14abc>] kthread+0xcc/0x100\n [<ffffffff98e45a6d>] ret_from_fork+0x2d/0x50\n [<ffffffff98e083ba>] ret_from_fork_asm+0x1a/0x30\n ..."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-401"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2025-21981", "ASSIGNER": "cve@kernel.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2025-04-01T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.14:rc6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.1.132", "versionStartIncluding": "5.8"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.6.84", "versionStartIncluding": "6.2"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.12.20", "versionStartIncluding": "6.7"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.13.8", "versionStartIncluding": "6.13"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2025-04-10T13:25Z"}