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CVE-2024-56369— drm/modes: Avoid divide by zero harder in drm_mode_vrefresh()

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drm/modes模块的drm_mode_vrefresh函数可能除以零。

AI Predicted 4.9 Difficulty: Moderate EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 2f0e9d804935970a4ce0f58dd046b41881bfd8f3< e7c7b48a0fc5ed83baae400a1b15e33978c25d7f affected
2f0e9d804935970a4ce0f58dd046b41881bfd8f3< 69fbb01e891701e6d04db1ddb5ad49e42c4dd963 affected
2f0e9d804935970a4ce0f58dd046b41881bfd8f3< b39de5a71bac5641d0fda33d1cf5682d82cf1ae5 affected
2f0e9d804935970a4ce0f58dd046b41881bfd8f3< 47c8b6cf1d08f0ad40d7ea7b025442e51b35ee1f affected
2f0e9d804935970a4ce0f58dd046b41881bfd8f3< 9398332f23fab10c5ec57c168b44e72997d6318e affected
4.17 affected
< 4.17 unaffected
5.15.176≤ 5.15.* unaffected
… +4 more rows
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I. Basic Information for CVE-2024-56369

Vulnerability Information
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Vulnerability Title
drm/modes: Avoid divide by zero harder in drm_mode_vrefresh()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/modes: Avoid divide by zero harder in drm_mode_vrefresh() drm_mode_vrefresh() is trying to avoid divide by zero by checking whether htotal or vtotal are zero. But we may still end up with a div-by-zero of vtotal*htotal*...
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drm/modes模块的drm_mode_vrefresh函数可能除以零。
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 2f0e9d804935970a4ce0f58dd046b41881bfd8f3 ~ e7c7b48a0fc5ed83baae400a1b15e33978c25d7f -
Linux Linux 4.17 -

II. Public POCs for CVE-2024-56369

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III. Intelligence Information for CVE-2024-56369

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Patches & Fixes for CVE-2024-56369 (5)

Same Patch Batch · Linux · 2025-01-11 · 67 CVEs total

CVE-2024-47408 9.8 CRITICAL net/smc: check smcd_v2_ext_offset when receiving proposal msg
CVE-2024-49568 9.8 CRITICAL net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg
CVE-2024-57843 9.8 CRITICAL virtio-net: fix overflow inside virtnet_rq_alloc
CVE-2024-57793 9.3 CRITICAL virt: tdx-guest: Just leak decrypted memory on unrecoverable errors
CVE-2024-49571 9.1 CRITICAL net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg
CVE-2024-55639 8.4 HIGH net: renesas: rswitch: avoid use-after-put for a device tree node
CVE-2024-41149 7.8 HIGH block: avoid to reuse `hctx` not removed from cpuhp callback list
CVE-2024-57849 7.8 HIGH s390/cpum_sf: Handle CPU hotplug remove during sampling
CVE-2024-57850 7.8 HIGH jffs2: Prevent rtime decompress memory corruption
CVE-2024-52319 7.8 HIGH mm: use aligned address in clear_gigantic_page()
CVE-2024-51729 7.8 HIGH mm: use aligned address in copy_user_gigantic_page()
CVE-2024-57875 7.8 HIGH block: RCU protect disk->conv_zones_bitmap
CVE-2024-47794 7.8 HIGH bpf: Prevent tailcall infinite loop caused by freplace
CVE-2024-49569 7.5 HIGH nvme-rdma: unquiesce admin_q before destroy it
CVE-2024-56788 7.5 HIGH net: ethernet: oa_tc6: fix tx skb race condition between reference pointers
CVE-2024-57791 7.5 HIGH net/smc: check return value of sock_recvmsg when draining clc data
CVE-2024-57804 7.3 HIGH scsi: mpi3mr: Fix corrupt config pages PHY state is switched in sysfs
CVE-2024-57792 7.3 HIGH power: supply: gpio-charger: Fix set charge current limits
CVE-2024-56368 7.1 HIGH ring-buffer: Fix overflow in __rb_map_vma
CVE-2024-49573 7.0 HIGH sched/fair: Fix NEXT_BUDDY

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56369

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