Vulnerability · Published Jan 16, 2024 · Assigned by redhat
CVE-2024-0582Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
High 7.8
In plain English
A high-severity use-after-free in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 12.8% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)12.8%top 3.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | linux | 6.6.8-1 | DEBIAN-CVE-2024-0582 |
| Debian:14 | linux | 6.6.8-1 | DEBIAN-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | 6.5.0-21.21~22.04.1 | USN-6651-1 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | 6.5.0-21.21~22.04.1 | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | 6.5.0-21.21.1~22.04.1 | USN-6651-2 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1014.14 | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1015.16 | USN-6651-2 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1015.16 | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | 6.5.0-21.21.1~22.04.1 | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | 6.5.0-1008.9~22.04.1 | UBUNTU-CVE-2024-0582 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | 6.5.0-1008.9~22.04.1 | USN-6651-3 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| kernel | see references | |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://access.redhat.com/security/cve/CVE-2024-0582 vdb-entry, x_refsource_REDHAT
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
- RHBZ#2254050 issue-tracking, x_refsource_REDHAT
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
- http://www.openwall.com/lists/oss-security/2024/04/24/3 x_transferred