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CVE-2025-38719— net: hibmcge: fix the division by zero issue

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hibmcge驱动在队列长度为0时未正确处理除法运算，可能导致除零错误。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 40735e7543f94fc88f58d94fd5f88daa4a2f2c6e< c945e1ad4f3b77166a3215dabc0c6c980d4a9c73 affected
40735e7543f94fc88f58d94fd5f88daa4a2f2c6e< 475e06113c615dafd44262d6d6bd37786f7f4206 affected
40735e7543f94fc88f58d94fd5f88daa4a2f2c6e< 7004b26f0b64331143eb0b312e77a357a11427ce affected
6.13 affected
< 6.13 unaffected
6.15.11≤ 6.15.* unaffected
6.16.2≤ 6.16.* unaffected
6.17≤ * unaffected
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I. Basic Information for CVE-2025-38719

Vulnerability Information
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Vulnerability Title
net: hibmcge: fix the division by zero issue
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: hibmcge: fix the division by zero issue When the network port is down, the queue is released, and ring->len is 0. In debugfs, hbg_get_queue_used_num() will be called, which may lead to a division by zero issue. This patch adds a check, if ring->len is 0, hbg_get_queue_used_num() directly returns 0.
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hibmcge驱动在队列长度为0时未正确处理除法运算，可能导致除零错误。
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 40735e7543f94fc88f58d94fd5f88daa4a2f2c6e ~ c945e1ad4f3b77166a3215dabc0c6c980d4a9c73 -
Linux Linux 6.13 -

II. Public POCs for CVE-2025-38719

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III. Intelligence Information for CVE-2025-38719

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Same Patch Batch · Linux · 2025-09-04 · 52 CVEs total

CVE-2025-38708 9.8 CRITICAL drbd: add missing kref_get in handle_write_conflicts
CVE-2025-38724 9.8 CRITICAL nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()
CVE-2025-38728 9.1 CRITICAL smb3: fix for slab out of bounds on mount to ksmbd
CVE-2025-38688 8.8 HIGH iommufd: Prevent ALIGN() overflow
CVE-2025-38697 7.8 HIGH jfs: upper bound check of tree index in dbAllocAG
CVE-2025-38714 7.8 HIGH hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read()
CVE-2025-38715 7.8 HIGH hfs: fix slab-out-of-bounds in hfs_bnode_read()
CVE-2025-38717 7.8 HIGH net: kcm: Fix race condition in kcm_unattach()
CVE-2025-38718 7.8 HIGH sctp: linearize cloned gso packets in sctp_rcv
CVE-2025-38685 7.8 HIGH fbdev: Fix vmalloc out-of-bounds write in fast_imageblit
CVE-2025-38722 7.8 HIGH habanalabs: fix UAF in export_dmabuf()
CVE-2025-38710 7.8 HIGH gfs2: Validate i_depth for exhash directories
CVE-2025-38730 7.8 HIGH io_uring/net: commit partial buffers on retry
CVE-2025-38703 7.8 HIGH drm/xe: Make dma-fences compliant with the safe access rules
CVE-2025-38687 7.3 HIGH comedi: fix race between polling and detaching
CVE-2025-38679 7.3 HIGH media: venus: Fix OOB read due to missing payload bound check
CVE-2025-38713 7.1 HIGH hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()
CVE-2025-38707 7.1 HIGH fs/ntfs3: Add sanity check for file name
CVE-2025-38694 media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()
CVE-2025-38692 exfat: add cluster chain loop check for dir

Showing top 20 of 52 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38719

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