Description
A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 6.6.8-1 | — |
| Debian 13 | linux | 6.6.8-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-hwe-6.5 | 6.5.0-21.21~22.04.1 | USN-6651-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.5 | 6.5.0-1014.14 | — |
| Ubuntu 22.04 LTS | linux-oem-6.5 | 6.5.0-1015.16 | USN-6651-2 |
| Ubuntu 22.04 LTS | linux-riscv +25 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv-6.5 +1 | 6.5.0-21.21.1~22.04.1 | USN-6651-2 |
| Ubuntu 22.04 LTS | linux-starfive-6.5 | 6.5.0-1008.9~22.04.1 | USN-6651-3 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | kernel | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 8 repositories
-
ysanatomic/io_uring_LPE-CVE-2024-0582 ★ 101 · Mar 29, 2024
LPE exploit for CVE-2024-0582 (io_uring)
-
kuzeyardabulut/CVE-2024-0582 ★ 13 · Apr 5, 2025
Data-only exploit for CVE-2024-0582
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geniuszly/CVE-2024-0582 ★ 13 · Oct 3, 2024
is a PoC exploit targeting a specific vulnerability in the Linux kernel (CVE-2024-0582)
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101010zyl/CVE-2024-0582-dataonly ★ 5 · Dec 15, 2024
A data-only attack based on CVE-2024-0582
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nanabingies/CVE-2024-0582 ★ 0 · May 12, 2026
An exploit for a Use-After-Free vulnerability in the io_uring subsystem in the linux kernel
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pwnmonk/io_uring-n-day ★ 0 · Sep 26, 2025
CVE-2024-0582 exploit
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0ptyx/cve-2024-0582 ★ 0 · May 28, 2024
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Forsaken0129/CVE-2024-0582 ★ 0 · Apr 5, 2024
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- USN-6651-3 linux-starfive-6.5 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6651-1 linux, linux-aws, linux-gcp, linux-hwe-6.5, linux-laptop, linux-oracle, linux-raspi, linux-starfive vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6651-2 linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- WID-SEC-2024-0135 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 9, 2024