CVE-2024-0582: Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
First published: Mon Dec 11 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.4<6.6.5 | |
| Linux Linux kernel | =6.7-rc1 | |
| Linux Linux kernel | =6.7-rc2 | |
| Linux Linux kernel | =6.7-rc3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2258515
- https://bugzilla.redhat.com/show_bug.cgi?id=2254050
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://access.redhat.com/security/cve/CVE-2024-0582
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
- https://launchpad.net/bugs/cve/CVE-2024-0582
- https://git.kernel.org/linus/c392cbecd8eca4c53f2bf508731257d9d0a21c2d
- https://www.openwall.com/lists/oss-security/2024/04/24/3
- https://security-tracker.debian.org/tracker/CVE-2024-0582
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0582
- https://nvd.nist.gov/vuln/detail/CVE-2024-0582
- https://ubuntu.com/security/CVE-2024-0582
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