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CVE-2026-97970— watchdog: msc313e: Avoid division by zero

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： watchdog: msc313e：避免除以零 clk_get_rate() 可能返回 0。为避免因除以零而引发的 panic（内核崩溃）。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux e9800b7994642a794afd4894f072541c14277ce8< 5168267d5ae6f26f751512003df4263ae91ee3f0 affected
e9800b7994642a794afd4894f072541c14277ce8< db900bc7c0739e5505a84bebb1bff2c3f67860e3 affected
e9800b7994642a794afd4894f072541c14277ce8< 660571b082331d250fbcef92363e15b38d107520 affected
e9800b7994642a794afd4894f072541c14277ce8< 3ae8eb30f8a0a839bf36fa62e4201ac99946447f affected
e9800b7994642a794afd4894f072541c14277ce8< 47eae41c630b9d2ce16a528a1517d4d2f857cd47 affected
e9800b7994642a794afd4894f072541c14277ce8< 5788a6747eda85051838628b40c430ec6343f3c6 affected
e9800b7994642a794afd4894f072541c14277ce8< 3c73a37f5e40972ce26d8eeb98e8b938d719b069 affected
5.14 affected
… +8 more rows
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I. Basic Information for CVE-2026-97970

Vulnerability Information
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Vulnerability Title
watchdog: msc313e: Avoid division by zero
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: watchdog: msc313e: Avoid division by zero clk_get_rate() could return 0. Avoid a division by zero panic.
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 e9800b7994642a794afd4894f072541c14277ce8 ~ 5168267d5ae6f26f751512003df4263ae91ee3f0 -
Linux Linux 5.14 -

II. Public POCs for CVE-2026-97970

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III. Intelligence Information for CVE-2026-97970

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Patches & Fixes for CVE-2026-97970 (7)

Same Patch Batch · Linux · 2026-09-25 · 372 CVEs total

CVE-2026-100075 9.8 CRITICAL RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters
CVE-2026-97555 8.8 HIGH smb: client: fix heap overflow in DACL owner/group rewrite
CVE-2026-97957 8.8 HIGH net: hinic: fix mailbox segment buffer overflow
CVE-2026-97527 8.8 HIGH scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock
CVE-2026-97528 8.8 HIGH scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error
CVE-2026-98115 8.8 HIGH ksmbd: safely drain sessions during logoff
CVE-2026-97525 8.2 HIGH x86/mm/pat: Allocate split page tables as kernel page tables
CVE-2026-98069 8.1 HIGH net/rds: acquire the fastpath locks in rds_conn_shutdown()
CVE-2026-97573 8.1 HIGH bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()
CVE-2026-97570 8.1 HIGH bnxt_en: Bound SW TPA IDs to prevent crashes
CVE-2026-98130 8.1 HIGH sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START
CVE-2026-98070 8.1 HIGH net/rds: acquire RDS_IN_XMIT in rds_tcp_reset_callbacks()
CVE-2026-97941 7.8 HIGH mm/slab: take n->list_lock in __slab_try_return_freelist() to avoid race
CVE-2026-97575 7.8 HIGH media: v4l2-ctrls: validate AV1 tile counts
CVE-2026-97576 7.8 HIGH media: v4l2-ctrls: validate HEVC tile counts
CVE-2026-98002 7.8 HIGH iommu/amd: Fix ineffective error check in nested domain allocation
CVE-2026-98112 7.8 HIGH ksmbd: fix listener task lifetime on netdev events
CVE-2026-97937 7.8 HIGH ftrace: fork: Initialize function graph state before copy_exec_state()
CVE-2026-97580 7.8 HIGH media: rkvdec: bound HEVC tile loops and PPS id to the array capacity
CVE-2026-97940 7.8 HIGH ipv6: fix fib6 walker UAF on seq stop

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-97970

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