CVE-2024-43890 is a medium-severity vulnerability affecting the Linux kernel's tracing functionality. It involves an integer overflow in the get_free_elt() function, allowing new elements to be inserted into a tracing_map even after its maximum capacity is reached. This can lead to an infinite loop and CPU hang if an insertion is attempted on a full map with preemption disabled. The vulnerability has a CVSS score of 5.5 (medium), indicating a local attack vector with low complexity and high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.7, < 4.19.320CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 5.4.282CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.224CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.165CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.1.105CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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Jun 3, 2025CVE-2024-43890
Oct 8, 2024kernel: tracing: Fix overflow in get_free_elt()
Aug 26, 2024tracing: Fix overflow in get_free_elt()
Aug 13, 2024