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CVE-2024-56567— ad7780: fix division by zero in ad7780_write_raw()

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ad7780模块中ad7780_write_raw函数中潜在的除以零错误。

AI Predicted 4.4 Difficulty: Trivial EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 9085daa4abcc3a1c19ae4eb00e609842ef28275a< 18fb33df1de83a014d7f784089f9b124facc157f affected
9085daa4abcc3a1c19ae4eb00e609842ef28275a< afc1e3c00b3f5f0b4f1bc3e974fb9803cb938a90 affected
9085daa4abcc3a1c19ae4eb00e609842ef28275a< 68e79b848196a0b0ec006009cc69da1f835d1ae8 affected
9085daa4abcc3a1c19ae4eb00e609842ef28275a< 022e13518ba6cc1b4fdd291f49e4f57b2d5718e0 affected
9085daa4abcc3a1c19ae4eb00e609842ef28275a< 7e3a8ea3d1ada7f707de5d9d504774b4191eab66 affected
9085daa4abcc3a1c19ae4eb00e609842ef28275a< f25a9f1df1f6738acf1fa05595fb6060a2c08ff1 affected
9085daa4abcc3a1c19ae4eb00e609842ef28275a< c174b53e95adf2eece2afc56cd9798374919f99a affected
5.2 affected
… +8 more rows
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I. Basic Information for CVE-2024-56567

Vulnerability Information
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Vulnerability Title
ad7780: fix division by zero in ad7780_write_raw()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ad7780: fix division by zero in ad7780_write_raw() In the ad7780_write_raw() , val2 can be zero, which might lead to a division by zero error in DIV_ROUND_CLOSEST(). The ad7780_write_raw() is based on iio_info's write_raw. While val is explicitly declared that can be zero (in read mode), val2 is not specified to be non-zero.
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ad7780模块中ad7780_write_raw函数中潜在的除以零错误。
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 9085daa4abcc3a1c19ae4eb00e609842ef28275a ~ 18fb33df1de83a014d7f784089f9b124facc157f -
Linux Linux 5.2 -

II. Public POCs for CVE-2024-56567

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III. Intelligence Information for CVE-2024-56567

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Patches & Fixes for CVE-2024-56567 (7)

Same Patch Batch · Linux · 2024-12-27 · 221 CVEs total

CVE-2024-53206 9.8 CRITICAL tcp: Fix use-after-free of nreq in reqsk_timer_handler().
CVE-2024-53209 9.8 CRITICAL bnxt_en: Fix receive ring space parameters when XDP is active
CVE-2024-56656 9.8 CRITICAL bnxt_en: Fix aggregation ID mask to prevent oops on 5760X chips
CVE-2024-53169 9.8 CRITICAL nvme-fabrics: fix kernel crash while shutting down controller
CVE-2024-56645 9.8 CRITICAL can: j1939: j1939_session_new(): fix skb reference counting
CVE-2024-53186 9.8 CRITICAL ksmbd: fix use-after-free in SMB request handling
CVE-2024-56640 9.8 CRITICAL net/smc: fix LGR and link use-after-free issue
CVE-2024-53176 9.8 CRITICAL smb: During unmount, ensure all cached dir instances drop their dentry
CVE-2024-53177 9.8 CRITICAL smb: prevent use-after-free due to open_cached_dir error paths
CVE-2024-53179 9.8 CRITICAL smb: client: fix use-after-free of signing key
CVE-2024-56626 8.8 HIGH ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write
CVE-2024-56653 8.8 HIGH Bluetooth: btmtk: avoid UAF in btmtk_process_coredump
CVE-2024-56651 8.8 HIGH can: hi311x: hi3110_can_ist(): fix potential use-after-free
CVE-2024-56591 8.8 HIGH Bluetooth: hci_conn: Use disable_delayed_work_sync
CVE-2024-53224 8.8 HIGH RDMA/mlx5: Move events notifier registration to be after device registration
CVE-2024-53237 8.8 HIGH Bluetooth: fix use-after-free in device_for_each_child()
CVE-2024-56669 8.8 HIGH iommu/vt-d: Remove cache tags before disabling ATS
CVE-2024-56627 8.1 HIGH ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read
CVE-2024-53214 7.8 HIGH vfio/pci: Properly hide first-in-list PCIe extended capability
CVE-2024-56619 7.8 HIGH nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry()

Showing top 20 of 221 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56567

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