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CVE-2024-38541— of: module: add buffer overflow check in of_modalias()

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of module of_modalias() 中存在安全问题。

CVSS 7.8 · High EPSS 0.90% · P59

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bc575064d688c8933a6ca51429bea9bc63628d3b< 46795440ef2b4ac919d09310a69a404c5bc90a88 affected
bc575064d688c8933a6ca51429bea9bc63628d3b< 733e62786bdf1b2b9dbb09ba2246313306503414 affected
bc575064d688c8933a6ca51429bea9bc63628d3b< c7f24b7d94549ff4623e8f41ea4d9f5319bd8ac8 affected
bc575064d688c8933a6ca51429bea9bc63628d3b< 5d59fd637a8af42b211a92b2edb2474325b4d488 affected
bc575064d688c8933a6ca51429bea9bc63628d3b< 0b0d5701a8bf02f8fee037e81aacf6746558bfd6 affected
bc575064d688c8933a6ca51429bea9bc63628d3b< ee332023adfd5882808f2dabf037b32d6ce36f9e affected
bc575064d688c8933a6ca51429bea9bc63628d3b< e45b69360a63165377b30db4a1dfddd89ca18e9a affected
bc575064d688c8933a6ca51429bea9bc63628d3b< cf7385cb26ac4f0ee6c7385960525ad534323252 affected
… +10 more rows
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I. Basic Information for CVE-2024-38541

Vulnerability Information
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Vulnerability Title
of: module: add buffer overflow check in of_modalias()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: of: module: add buffer overflow check in of_modalias() In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative and str parameter (if not NULL initially) will point beyond the buffer's end. Add the buffer overflow check after the 1st snprintf() call and fix such check after the strlen() call (accounting for the terminating NUL char).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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of module of_modalias() 中存在安全问题。
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 bc575064d688c8933a6ca51429bea9bc63628d3b ~ 46795440ef2b4ac919d09310a69a404c5bc90a88 -
Linux Linux 4.14 -

II. Public POCs for CVE-2024-38541

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III. Intelligence Information for CVE-2024-38541

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Patches & Fixes for CVE-2024-38541 (1)

Other References for CVE-2024-38541 (4)

Same Patch Batch · Linux · 2024-06-19 · 122 CVEs total

CVE-2024-38558 10.0 CRITICAL net: openvswitch: fix overwriting ct original tuple for ICMPv6
CVE-2021-47587 9.8 CRITICAL net: systemport: Add global locking for descriptor lifecycle
CVE-2024-38544 9.8 CRITICAL RDMA/rxe: Fix seg fault in rxe_comp_queue_pkt
CVE-2024-38570 9.8 CRITICAL gfs2: Fix potential glock use-after-free on unmount
CVE-2021-47611 8.1 HIGH mac80211: validate extended element ID is present
CVE-2024-38588 7.8 HIGH ftrace: Fix possible use-after-free issue in ftrace_location()
CVE-2024-38572 7.8 HIGH wifi: ath12k: fix out-of-bound access of qmi_invoke_handler()
CVE-2024-38610 7.8 HIGH drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map()
CVE-2024-38605 7.8 HIGH ALSA: core: Fix NULL module pointer assignment at card init
CVE-2024-38599 7.8 HIGH jffs2: prevent xattr node from overflowing the eraseblock
CVE-2024-38578 7.8 HIGH ecryptfs: Fix buffer size for tag 66 packet
CVE-2024-38592 7.8 HIGH drm/mediatek: Init `ddp_comp` with devm_kcalloc()
CVE-2024-38564 7.8 HIGH bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE
CVE-2024-38583 7.8 HIGH nilfs2: fix use-after-free of timer for log writer thread
CVE-2024-38568 7.8 HIGH drivers/perf: hisi: hns3: Fix out-of-bound access when valid event group
CVE-2024-38580 7.8 HIGH epoll: be better about file lifetimes
CVE-2024-38581 7.8 HIGH drm/amdgpu/mes: fix use-after-free issue
CVE-2024-38569 7.8 HIGH drivers/perf: hisi_pcie: Fix out-of-bound access when valid event group
CVE-2024-38614 7.8 HIGH openrisc: traps: Don't send signals to kernel mode threads
CVE-2024-38587 7.8 HIGH speakup: Fix sizeof() vs ARRAY_SIZE() bug

Showing top 20 of 122 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-38541

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