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CVE-2025-21906— wifi: iwlwifi: mvm: clean up ROC on failure

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，该漏洞源于未正确清理ROC状态。

CVSS 7.6 · High EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1562

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8< a88c18409b5d69f426d5acc583c053eac71756a3 affected
35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8< d1a12fcb9051bbf38b2e5af310ffb102a0fab6f9 affected
35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8< f9751163bffd3fe60794929829f810968c6de73d affected
6.9 affected
< 6.9 unaffected
6.12.19≤ 6.12.* unaffected
6.13.7≤ 6.13.* unaffected
6.14≤ * unaffected
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I. Basic Information for CVE-2025-21906

Vulnerability Information
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Vulnerability Title
wifi: iwlwifi: mvm: clean up ROC on failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: clean up ROC on failure If the firmware fails to start the session protection, then we do call iwl_mvm_roc_finished() here, but that won't do anything at all because IWL_MVM_STATUS_ROC_P2P_RUNNING was never set. Set IWL_MVM_STATUS_ROC_P2P_RUNNING in the failure/stop path. If it started successfully before, it's already set, so that doesn't matter, and if it didn't start it needs to be set to clean up. Not doing so will lead to a WARN_ON() later on a fresh remain- on-channel, since the link is already active when activated as it was never deactivated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
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，该漏洞源于未正确清理ROC状态。
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 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 ~ a88c18409b5d69f426d5acc583c053eac71756a3 -
Linux Linux 6.9 -

II. Public POCs for CVE-2025-21906

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III. Intelligence Information for CVE-2025-21906

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Patches & Fixes for CVE-2025-21906 (1)

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-2025-21955 8.8 HIGH ksmbd: prevent connection release during oplock break notification
CVE-2025-21972 8.8 HIGH net: mctp: unshare packets when reassembling
CVE-2025-21946 8.8 HIGH ksmbd: fix out-of-bounds in parse_sec_desc()
CVE-2025-21945 8.8 HIGH ksmbd: fix use-after-free in smb2_lock
CVE-2025-21967 8.8 HIGH ksmbd: fix use-after-free in ksmbd_free_work_struct
CVE-2025-21947 8.1 HIGH ksmbd: fix type confusion via race condition when using ipc_msg_send_request
CVE-2025-21923 7.8 HIGH HID: hid-steam: Fix use-after-free when detaching device
CVE-2025-21934 7.8 HIGH rapidio: fix an API misues when rio_add_net() fails
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-2025-21914 7.8 HIGH slimbus: messaging: Free transaction ID in delayed interrupt scenario
CVE-2025-21924 7.8 HIGH net: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an e
CVE-2025-21958 7.8 HIGH Revert "openvswitch: switch to per-action label counting in conntrack"
CVE-2025-21965 7.8 HIGH sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl()
CVE-2025-21926 7.8 HIGH net: gso: fix ownership in __udp_gso_segment
CVE-2025-21919 7.8 HIGH sched/fair: Fix potential memory corruption in child_cfs_rq_on_list
CVE-2025-21985 7.8 HIGH drm/amd/display: Fix out-of-bound accesses

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-2025-21906

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