CVE-2026-90298— drm/sun4i: tcon: Drop TCON TOP device reference
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.
在 Linux 内核中，以下漏洞已得到修复： drm/sun4i: tcon: 移除 TCON TOP 设备引用 函数会获取一个设备引用。在 mux 配置成功后，需要释放该引用。
Possible ATT&CK Techniques 1 AI
T1098 · Account ManipulationAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0305189afb323c1bad2be7fe713d556a9b708003< 31b54c92a49a2b40fcd59b0c8cf346b0b3fb288b |
affected |
0305189afb323c1bad2be7fe713d556a9b708003< 3eeb8545d5513defe935ce46a9824512f7a2bbd9 |
affected | ||
0305189afb323c1bad2be7fe713d556a9b708003< b192f08480d63d3f5e46d35c91d4fccd4e703ca7 |
affected | ||
0305189afb323c1bad2be7fe713d556a9b708003< 4fa22218c2351621d470d2d2ae4f6a2ac39ada94 |
affected | ||
0305189afb323c1bad2be7fe713d556a9b708003< e6406726ee7f4deb1b9b32c1ad6a147ffd208bec |
affected | ||
0305189afb323c1bad2be7fe713d556a9b708003< 1ca06d47ac40bdcb63e4e528499bf531c6c3231b |
affected | ||
0305189afb323c1bad2be7fe713d556a9b708003< ae08a67bca7817e37c16c1ec51bce7f2ff9aaf2c |
affected | ||
0305189afb323c1bad2be7fe713d556a9b708003< 8208832a38ff3d2560eb8a77a9d7a2f17d8ebcdc |
affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2026-90298
Vulnerability Information
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Vulnerability Title
drm/sun4i: tcon: Drop TCON TOP device reference
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
drm/sun4i: tcon: Drop TCON TOP device reference
of_find_device_by_node() takes a device reference. Drop it after mux
configuration succeeds.
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
Affected Products
II. Public POCs for CVE-2026-90298
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Patches & Fixes for CVE-2026-90298 (7)
Same Patch Batch · Linux · 2026-09-17 · 600 CVEs total
| CVE-2026-92489 | 9.8 CRITICAL | xfrm: Fix skb double-free in xfrm_dev_direct_output() |
| CVE-2026-90104 | 9.8 CRITICAL | NFSv4.1: zero referring call lists before decoding |
| CVE-2026-90235 | 9.8 CRITICAL | sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE |
| CVE-2026-90173 | 9.8 CRITICAL | smb: smbdirect: free completion queues with ib_free_cq() |
| CVE-2026-90151 | 9.8 CRITICAL | NFSv4: remove callback IDR entry on client allocation failure |
| CVE-2026-90110 | 9.4 CRITICAL | inetpeer: randomize RB-tree node comparison using SipHash |
| CVE-2026-90413 | 9.1 CRITICAL | IB/isert: reject login PDUs declaring more data than was received |
| CVE-2026-90414 | 9.1 CRITICAL | IB/isert: reject PDUs declaring more data than was received |
| CVE-2026-90230 | 9.1 CRITICAL | nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate() |
| CVE-2026-90256 | 8.8 HIGH | Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind |
| CVE-2026-90357 | 8.8 HIGH | wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement |
| CVE-2026-90286 | 8.8 HIGH | drm/amdgpu/gfx6: Use PFP on the compute queues too |
| CVE-2026-90381 | 8.8 HIGH | wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx() |
| CVE-2026-90380 | 8.8 HIGH | wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete |
| CVE-2026-90329 | 8.8 HIGH | HID: synchronize input before cleaning up a failed probe |
| CVE-2026-93042 | 8.8 HIGH | dmaengine: dw-edma: Terminate all descriptors without callbacks |
| CVE-2026-90162 | 8.8 HIGH | ksmbd: defer publishing granted locks to prevent UAF/double-free race |
| CVE-2026-90379 | 8.8 HIGH | wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash |
| CVE-2026-90367 | 8.8 HIGH | wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER |
| CVE-2026-90371 | 8.8 HIGH | wifi: mt76: fix RXDMAD_C buffer recycling race |
Showing top 20 of 600 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2026-98384
bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destr -
CVE-2026-98383
bpf: Disallow bpf_skb_pull_data() for LWT_SEG6LOCAL -
CVE-2026-98382
bpf: Reject dev-bound-only programs on other devices -
CVE-2026-98381
veth: manage XDP program pointers during channel resize -
CVE-2026-98380
net/sched: reject IDR error pointers when deleting actions
Same vendor: Linux
-
CVE-2026-98384
bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destr -
CVE-2026-98383
bpf: Disallow bpf_skb_pull_data() for LWT_SEG6LOCAL -
CVE-2026-98382
bpf: Reject dev-bound-only programs on other devices -
CVE-2026-98381
veth: manage XDP program pointers during channel resize -
CVE-2026-98380
net/sched: reject IDR error pointers when deleting actions
V. Comments for CVE-2026-90298
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