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CVE-2024-56716— netdevsim: prevent bad user input in nsim_dev_health_break_write()

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netdevsim子系统中用户输入验证不足的问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1564 · Hide Artifacts

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f< 81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc affected
82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f< b3a6daaf7cfb2de37b89fd7a5a2ad4ea9aa3e181 affected
82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f< d10321be26ff9e9e912697e9e8448099654ff561 affected
82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f< 470c5ecbac2f19b1cdee2a6ce8d5650c3295c94b affected
82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f< 8e9ef6bdf71bf25f4735e0230ce1919de8985835 affected
82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f< ee76746387f6233bdfa93d7406990f923641568f affected
5.5 affected
< 5.5 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-56716

Vulnerability Information
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Vulnerability Title
netdevsim: prevent bad user input in nsim_dev_health_break_write()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netdevsim: prevent bad user input in nsim_dev_health_break_write() If either a zero count or a large one is provided, kernel can crash.
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netdevsim子系统中用户输入验证不足的问题。
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 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f ~ 81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc -
Linux Linux 5.5 -

II. Public POCs for CVE-2024-56716

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III. Intelligence Information for CVE-2024-56716

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Patches & Fixes for CVE-2024-56716 (6)

Same Patch Batch · Linux · 2024-12-29 · 39 CVEs total

CVE-2024-56719 10.0 CRITICAL net: stmmac: fix TSO DMA API usage causing oops
CVE-2024-56718 9.8 CRITICAL net/smc: protect link down work from execute after lgr freed
CVE-2024-56740 7.8 HIGH nfs/localio: must clear res.replen in nfs_local_read_done
CVE-2024-56709 7.8 HIGH io_uring: check if iowq is killed before queuing
CVE-2024-56715 7.8 HIGH ionic: Fix netdev notifier unregister on failure
CVE-2024-56720 7.8 HIGH bpf, sockmap: Several fixes to bpf_msg_pop_data
CVE-2024-56717 7.5 HIGH net: mscc: ocelot: fix incorrect IFH SRC_PORT field in ocelot_ifh_set_basic()
CVE-2024-56749 7.5 HIGH dlm: fix dlm_recover_members refcount on error
CVE-2024-56721 7.1 HIGH x86/CPU/AMD: Terminate the erratum_1386_microcode array
CVE-2024-56743 nfs_common: must not hold RCU while calling nfsd_file_put_local
CVE-2024-56729 smb: Initialize cfid->tcon before performing network ops
CVE-2024-56745 PCI: Fix reset_method_store() memory leak
CVE-2024-56744 f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()
CVE-2024-56746 fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem()
CVE-2024-56748 scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb()
CVE-2024-56747 scsi: qedi: Fix a possible memory leak in qedi_alloc_and_init_sb()
CVE-2024-56750 erofs: fix blksize < PAGE_SIZE for file-backed mounts
CVE-2024-56751 ipv6: release nexthop on device removal
CVE-2024-56752 drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new()
CVE-2024-56753 drm/amdgpu/gfx9: Add Cleaner Shader Deinitialization in gfx_v9_0 Module

Showing top 20 of 39 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56716

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