CVE-2024-23851
First published: Tue Jan 23 2024(Updated: )
copy_params in drivers/md/dm-ioctl.c in the Linux kernel through 6.7.1 can attempt to allocate more than INT_MAX bytes, and crash, because of a missing param_kernel->data_size check. This is related to ctl_ioctl.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <=6.7.1 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.25-1 6.12.27-1 |
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Reference Links
- https://www.spinics.net/lists/dm-devel/msg56574.html
- https://www.spinics.net/lists/dm-devel/msg56694.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZOU3745CWCDZ7EMKMXB2OEEIB5Q3IWM/
- https://launchpad.net/bugs/cve/CVE-2024-23851
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZOU3745CWCDZ7EMKMXB2OEEIB5Q3IWM/
- https://git.kernel.org/linus/bd504bcfec41a503b32054da5472904b404341a4
- https://security-tracker.debian.org/tracker/CVE-2024-23851
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-23851
- https://nvd.nist.gov/vuln/detail/CVE-2024-23851
- https://ubuntu.com/security/CVE-2024-23851
Frequently Asked Questions
What is the severity of CVE-2024-23851?
CVE-2024-23851 is categorized as a critical vulnerability due to its potential to cause system crashes.
How do I fix CVE-2024-23851?
To fix CVE-2024-23851, upgrade to a patched version of the Linux kernel, specifically versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.
What versions of the Linux kernel are affected by CVE-2024-23851?
CVE-2024-23851 affects the Linux kernel versions up to and including 6.7.1.
What components are involved in CVE-2024-23851 vulnerability?
CVE-2024-23851 involves the copy_params function in drivers/md/dm-ioctl.c related to missing data_size checks.
Can CVE-2024-23851 lead to remote exploits?
CVE-2024-23851 primarily causes local crashes rather than remote exploitation.
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