CVE-2024-0582 in the critical feed json
Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
published 2024-01-16 2 y ago modified 2026-11-04 4 d ago also EUVD-2024-16375
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.8%
- EPSS 12.8% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- linux linux_kernel 6.6.5
- linux Debian 14, Debian 13 6.6.8-1
debian advisories DEBIAN-CVE-2024-0582
- linux-hwe-6.5 Ubuntu 22.04 LTS 6.5.0-21.21~22.04.1
- linux-oem-6.5 Ubuntu 22.04 LTS 6.5.0-1015.16
- linux-riscv-6.5 Ubuntu 22.04 LTS 6.5.0-21.21.1~22.04.1
- linux-nvidia-6.5 Ubuntu 22.04 LTS 6.5.0-1014.14
- linux-starfive-6.5 Ubuntu 22.04 LTS 6.5.0-1008.9~22.04.1
ubuntu advisories UBUNTU-CVE-2024-0582
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2024-0582 updated cvss 7.8
kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 morenot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
12.84% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- 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
Classification
- Weakness
-
- CWE-416 Use After Free
- Technology feeds
References
-
git.kernel.org
/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
mailing-list, patch
-
bugzilla.redhat.com
/show_bug.cgi?id=2254050
issue-tracking, patch, third-party-advisory
-
access.redhat.com
/security/cve/CVE-2024-0582
vdb-entry, third-party-advisory
-
bugs.chromium.org
/p/project-zero/issues/detail?id=2504
issue-tracking, mailing-list
- openwall.com /lists/oss-security/2024/04/24/3
Sources
- CVE List CVE-2024-0582
- NVD CVE-2024-0582
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.