CVE-2025-68221— mptcp: fix address removal logic in mptcp_pm_nl_rm_addr
Possible ATT&CK Techniques 1AI
T1562.001Affected Version Matrix 6
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I. Basic Information for CVE-2025-68221
Vulnerability Information
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Vulnerability Title
mptcp: fix address removal logic in mptcp_pm_nl_rm_addr
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix address removal logic in mptcp_pm_nl_rm_addr Fix inverted WARN_ON_ONCE condition that prevented normal address removal counter updates. The current code only executes decrement logic when the counter is already 0 (abnormal state), while normal removals (counter > 0) are ignored.
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mptcp_pm_nl_rm_addr地址移除逻辑错误，可能导致计数器更新失败。
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
II. Public POCs for CVE-2025-68221
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Other References for CVE-2025-68221 (2)
Same Patch Batch · Linux · 2025-12-16 · 157 CVEs total
| CVE-2025-68285 | 9.8 CRITICAL | libceph: fix potential use-after-free in have_mon_and_osd_map() |
| CVE-2025-68263 | 9.8 CRITICAL | ksmbd: ipc: fix use-after-free in ipc_msg_send_request |
| CVE-2025-40350 | 9.8 CRITICAL | net/mlx5e: RX, Fix generating skb from non-linear xdp_buff for striding RQ |
| CVE-2025-68192 | 9.8 CRITICAL | net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup |
| CVE-2025-68301 | 9.8 CRITICAL | net: atlantic: fix fragment overflow handling in RX path |
| CVE-2025-68284 | 9.8 CRITICAL | libceph: prevent potential out-of-bounds writes in handle_auth_session_key() |
| CVE-2025-68315 | 9.8 CRITICAL | f2fs: fix to detect potential corrupted nid in free_nid_list |
| CVE-2025-68255 | 8.8 HIGH | staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing |
| CVE-2025-68256 | 8.8 HIGH | staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser |
| CVE-2025-68226 | 8.8 HIGH | smb: client: fix incomplete backport in cfids_invalidation_worker() |
| CVE-2025-68314 | 8.8 HIGH | drm/msm: make sure last_fence is always updated |
| CVE-2025-40362 | 8.8 HIGH | ceph: fix multifs mds auth caps issue |
| CVE-2025-68304 | 8.8 HIGH | Bluetooth: hci_core: lookup hci_conn on RX path on protocol side |
| CVE-2025-68250 | 8.2 HIGH | hung_task: fix warnings caused by unaligned lock pointers |
| CVE-2025-68181 | 7.8 HIGH | drm/radeon: Remove calls to drm_put_dev() |
| CVE-2025-68179 | 7.8 HIGH | s390: Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP |
| CVE-2025-68175 | 7.8 HIGH | media: nxp: imx8-isi: Fix streaming cleanup on release |
| CVE-2025-68207 | 7.8 HIGH | drm/xe/guc: Synchronize Dead CT worker with unbind |
| CVE-2025-68265 | 7.8 HIGH | nvme: fix admin request_queue lifetime |
| CVE-2025-68208 | 7.8 HIGH | bpf: account for current allocated stack depth in widen_imprecise_scalars() |
Showing top 20 of 157 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
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