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CVE-2026-89884— media: platform: mtk-mdp3: fix NULL deref on failed SCP lookup

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，已解决以下漏洞： media: platform: mtk-mdp3: 修复 SCP 查找失败时的空指针解引用问题 在查找 SCP（System Control Processor）后，添加了缺失的有效性检查，以避免在其驱动程序尚未绑定时解引用空指针的情况。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1212 · Exploitation for Credential Access

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 61890ccaefaff89f5babd2c8412fd222c3f5fe38< 28548387d79d14c975e77787ebd1f051265e1396 affected
61890ccaefaff89f5babd2c8412fd222c3f5fe38< 5026f927ef4150ba12da6f1098cf7952d77b14b6 affected
61890ccaefaff89f5babd2c8412fd222c3f5fe38< 426ead7eed6d6b3c3f0fe0925c112ef73fc87256 affected
61890ccaefaff89f5babd2c8412fd222c3f5fe38< 90368323fb244da0504e3da37a182f8e89bcc3b9 affected
6.1 affected
< 6.1 unaffected
6.12.110≤ 6.12.* unaffected
6.18.51≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-89884

Vulnerability Information
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Vulnerability Title
media: platform: mtk-mdp3: fix NULL deref on failed SCP lookup
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: platform: mtk-mdp3: fix NULL deref on failed SCP lookup Add the missing sanity check after looking up the SCP to avoid dereferencing a NULL-pointer in case its driver has not yet been bound.
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 61890ccaefaff89f5babd2c8412fd222c3f5fe38 ~ 28548387d79d14c975e77787ebd1f051265e1396 -
Linux Linux 6.1 -

II. Public POCs for CVE-2026-89884

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-89884

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Other References for CVE-2026-89884 (4)

Same Patch Batch · Linux · 2026-09-16 · 276 CVEs total

CVE-2026-90048 9.8 CRITICAL fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list()
CVE-2026-90012 9.8 CRITICAL spi: Fix DMA mapping ownership on partial map failure
CVE-2026-89970 9.8 CRITICAL nvmet-auth: Synchronize timeout work during SQ teardown
CVE-2026-89857 9.8 CRITICAL scsi: qla2xxx: Hold qpair lock when sending NVMe LS reject
CVE-2026-89969 9.8 CRITICAL nvmet-tcp: fix out-of-bounds write when receiving an over-long PDU
CVE-2026-89847 9.8 CRITICAL scsi: qla2xxx: Avoid double completion in async IOCB timeout
CVE-2026-89972 9.8 CRITICAL nvme: add missing SRCU grace period in error path
CVE-2026-89990 9.8 CRITICAL ceph: lock mutex in ceph_mds_check_access()
CVE-2026-90036 9.8 CRITICAL NFSD: Prevent client use-after-free during blocked-lock reaping
CVE-2026-90038 9.8 CRITICAL NFSD: Prevent client use-after-free during export state revocation
CVE-2026-90037 9.8 CRITICAL NFSD: Prevent client use-after-free during close_lru reaping
CVE-2026-89788 9.8 CRITICAL ksmbd: fix tree connection use-after-free in smb2_tree_connect()
CVE-2026-89783 9.8 CRITICAL xfrm6: fix out-of-bounds write in xfrm6_input_addr() when secpath is full
CVE-2026-90042 9.8 CRITICAL ceph: properly decrypt filenames in vmalloc() buffers
CVE-2026-89778 9.8 CRITICAL isofs: fix out-of-bounds page array access on empty zisofs block
CVE-2026-89915 9.3 CRITICAL KVM: arm64: Remove VM-wide VNCR mapping counter
CVE-2026-90049 9.3 CRITICAL net: skbuff: don't skb_tx_error() the source skb in skb_zerocopy()
CVE-2026-89775 9.3 CRITICAL KVM: arm64: Handle negative S1 walk levels in VNCR TLB size evaluation
CVE-2026-89916 9.3 CRITICAL KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry
CVE-2026-89930 9.3 CRITICAL KVM: nVMX: Service local TLB flushes on failed nested VM-Enter

Showing top 20 of 276 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-89884

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