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CVE-2025-21935— rapidio: add check for rio_add_net() in rio_scan_alloc_net()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未检查rio_add_net返回值，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux e6b585ca6e81badeb3d42db3cc408174f2826034< 6d22953c4a183d0b7fdf34d68c5debd16da6edc5 affected
e6b585ca6e81badeb3d42db3cc408174f2826034< 4f3509cfcc02e9d757f2714bb7dbbeec35de6fa7 affected
e6b585ca6e81badeb3d42db3cc408174f2826034< 181d4daaefb3bceeb2f2635ba9f3781eeda9e550 affected
e6b585ca6e81badeb3d42db3cc408174f2826034< ad82be4298a89a9ae46f07128bdf3d8614bce745 affected
e6b585ca6e81badeb3d42db3cc408174f2826034< e6411c3b9512dba09af7d014d474516828c89706 affected
e6b585ca6e81badeb3d42db3cc408174f2826034< c332f3e2df0fcae5a45fd55cc18902fb1e4825ca affected
e6b585ca6e81badeb3d42db3cc408174f2826034< a0d069ccc475abaaa79c6368ee27fc0b5912bea8 affected
e6b585ca6e81badeb3d42db3cc408174f2826034< e842f9a1edf306bf36fe2a4d847a0b0d458770de affected
… +10 more rows
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I. Basic Information for CVE-2025-21935

Vulnerability Information
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Vulnerability Title
rapidio: add check for rio_add_net() in rio_scan_alloc_net()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: rapidio: add check for rio_add_net() in rio_scan_alloc_net() The return value of rio_add_net() should be checked. If it fails, put_device() should be called to free the memory and give up the reference initialized in rio_add_net().
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未检查rio_add_net返回值，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux e6b585ca6e81badeb3d42db3cc408174f2826034 ~ 6d22953c4a183d0b7fdf34d68c5debd16da6edc5 -
Linux Linux 4.6 -

II. Public POCs for CVE-2025-21935

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III. Intelligence Information for CVE-2025-21935

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Patches & Fixes for CVE-2025-21935 (4)

Same Patch Batch · Linux · 2025-04-01 · 93 CVEs total

CVE-2025-21927 9.8 CRITICAL nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()
CVE-2025-21954 9.8 CRITICAL netmem: prevent TX of unreadable skbs
CVE-2025-21969 8.8 HIGH Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd
CVE-2025-21967 8.8 HIGH ksmbd: fix use-after-free in ksmbd_free_work_struct
CVE-2025-21945 8.8 HIGH ksmbd: fix use-after-free in smb2_lock
CVE-2025-21946 8.8 HIGH ksmbd: fix out-of-bounds in parse_sec_desc()
CVE-2025-21972 8.8 HIGH net: mctp: unshare packets when reassembling
CVE-2025-21955 8.8 HIGH ksmbd: prevent connection release during oplock break notification
CVE-2025-21947 8.1 HIGH ksmbd: fix type confusion via race condition when using ipc_msg_send_request
CVE-2025-21984 7.8 HIGH mm: fix kernel BUG when userfaultfd_move encounters swapcache
CVE-2025-21926 7.8 HIGH net: gso: fix ownership in __udp_gso_segment
CVE-2025-21965 7.8 HIGH sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl()
CVE-2025-21958 7.8 HIGH Revert "openvswitch: switch to per-action label counting in conntrack"
CVE-2025-21914 7.8 HIGH slimbus: messaging: Free transaction ID in delayed interrupt scenario
CVE-2025-21949 7.8 HIGH LoongArch: Set hugetlb mmap base address aligned with pmd size
CVE-2025-21939 7.8 HIGH drm/xe/hmm: Don't dereference struct page pointers without notifier lock
CVE-2025-21919 7.8 HIGH sched/fair: Fix potential memory corruption in child_cfs_rq_on_list
CVE-2025-21934 7.8 HIGH rapidio: fix an API misues when rio_add_net() fails
CVE-2025-21923 7.8 HIGH HID: hid-steam: Fix use-after-free when detaching device
CVE-2025-21924 7.8 HIGH net: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an e

Showing top 20 of 93 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21935

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