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CVE-2025-68200— bpf: Add bpf_prog_run_data_pointers()

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BPF程序修改tc_skb_cb不当，可能导致数据损坏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1205.001 · Port Knocking

Affected Version Matrix 15

VendorProduct Version RangeStatus
Linux Linux 0d76daf2013ce1da20eab5e26bd81d983e1c18fb< c4cdd143c35974a2cedd000fa9eb3accc3023b20 affected
ec624fe740b416fb68d536b37fb8eef46f90b5c2< 5e149d8a8e732126fb6014efd60075cf63a73f91 affected
ec624fe740b416fb68d536b37fb8eef46f90b5c2< baa61dcaa50b7141048c8d2aede7fe9ed8f21d11 affected
ec624fe740b416fb68d536b37fb8eef46f90b5c2< 6392e5f4b1a3cce10e828309baf35d22abd3457d affected
ec624fe740b416fb68d536b37fb8eef46f90b5c2< 8dd2fe5f5d586c8e87307b7a271f6b994afcc006 affected
ec624fe740b416fb68d536b37fb8eef46f90b5c2< 4ef92743625818932b9c320152b58274c05e5053 affected
5.15.13< 5.15.197 affected
5.16 affected
… +7 more rows
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I. Basic Information for CVE-2025-68200

Vulnerability Information
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Vulnerability Title
bpf: Add bpf_prog_run_data_pointers()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Add bpf_prog_run_data_pointers() syzbot found that cls_bpf_classify() is able to change tc_skb_cb(skb)->drop_reason triggering a warning in sk_skb_reason_drop(). WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 __sk_skb_reason_drop net/core/skbuff.c:1189 [inline] WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 sk_skb_reason_drop+0x76/0x170 net/core/skbuff.c:1214 struct tc_skb_cb has been added in commit ec624fe740b4 ("net/sched: Extend qdisc control block with tc control block"), which added a wrong interaction with db58ba459202 ("bpf: wire in data and data_end for cls_act_bpf"). drop_reason was added later. Add bpf_prog_run_data_pointers() helper to save/restore the net_sched storage colliding with BPF data_meta/data_end.
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BPF程序修改tc_skb_cb不当，可能导致数据损坏。
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 0d76daf2013ce1da20eab5e26bd81d983e1c18fb ~ c4cdd143c35974a2cedd000fa9eb3accc3023b20 -
Linux Linux 5.16 -

II. Public POCs for CVE-2025-68200

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III. Intelligence Information for CVE-2025-68200

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Other References for CVE-2025-68200 (6)

Same Patch Batch · Linux · 2025-12-16 · 156 CVEs total

CVE-2025-68284 9.8 CRITICAL libceph: prevent potential out-of-bounds writes in handle_auth_session_key()
CVE-2025-40350 9.8 CRITICAL net/mlx5e: RX, Fix generating skb from non-linear xdp_buff for striding RQ
CVE-2025-68263 9.8 CRITICAL ksmbd: ipc: fix use-after-free in ipc_msg_send_request
CVE-2025-68301 9.8 CRITICAL net: atlantic: fix fragment overflow handling in RX path
CVE-2025-68192 9.8 CRITICAL net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup
CVE-2025-68285 9.8 CRITICAL libceph: fix potential use-after-free in have_mon_and_osd_map()
CVE-2025-68315 9.8 CRITICAL f2fs: fix to detect potential corrupted nid in free_nid_list
CVE-2025-68226 8.8 HIGH smb: client: fix incomplete backport in cfids_invalidation_worker()
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-2025-68304 8.8 HIGH Bluetooth: hci_core: lookup hci_conn on RX path on protocol side
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-2025-68250 8.2 HIGH hung_task: fix warnings caused by unaligned lock pointers
CVE-2025-68183 7.8 HIGH ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr
CVE-2025-68212 7.8 HIGH fs: Fix uninitialized 'offp' in statmount_string()
CVE-2025-68208 7.8 HIGH bpf: account for current allocated stack depth in widen_imprecise_scalars()
CVE-2025-68207 7.8 HIGH drm/xe/guc: Synchronize Dead CT worker with unbind
CVE-2025-68303 7.8 HIGH platform/x86: intel: punit_ipc: fix memory corruption
CVE-2025-68181 7.8 HIGH drm/radeon: Remove calls to drm_put_dev()

Showing top 20 of 156 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-68200

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