CVE-2024-53109: nommu: pass NULL argument to vma_iter_prealloc()
First published: Mon Dec 02 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: nommu: pass NULL argument to vma_iter_prealloc() When deleting a vma entry from a maple tree, it has to pass NULL to vma_iter_prealloc() in order to calculate internal state of the tree, but it passed a wrong argument. As a result, nommu kernels crashed upon accessing a vma iterator, such as acct_collect() reading the size of vma entries after do_munmap(). This commit fixes this issue by passing a right argument to the preallocation call.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.6<6.6.63 | |
| Linux Kernel | >=6.7<6.11.10 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| Linux Kernel | =6.12-rc5 | |
| Linux Kernel | =6.12-rc6 | |
| Linux Kernel | =6.12-rc7 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/8bbf0ab631cdf1dade6745f137cff98751e6ced7
- https://git.kernel.org/stable/c/aceaf33b7666b72dfb86e0aa977be81e3bcbc727
- https://git.kernel.org/stable/c/247d720b2c5d22f7281437fd6054a138256986ba
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53109
- https://nvd.nist.gov/vuln/detail/CVE-2024-53109
- https://launchpad.net/bugs/cve/CVE-2024-53109
- https://security-tracker.debian.org/tracker/CVE-2024-53109
- https://ubuntu.com/security/CVE-2024-53109
- https://git.kernel.org/linus/247d720b2c5d22f7281437fd6054a138256986ba
Frequently Asked Questions
What is the severity of CVE-2024-53109?
CVE-2024-53109 has a high severity due to potential impacts on the Linux kernel's memory management.
How do I fix CVE-2024-53109?
To fix CVE-2024-53109, upgrade the Linux kernel to a version that addresses this vulnerability.
Which versions of the Linux kernel are affected by CVE-2024-53109?
CVE-2024-53109 affects multiple versions of the Linux kernel from 6.7 to 6.11.10 and specific release candidates of 6.12.
What is the impact of CVE-2024-53109?
The impact of CVE-2024-53109 includes potential instability or corruption in the virtual memory area management.
Is there a workaround for CVE-2024-53109?
There are no known workarounds for CVE-2024-53109 other than applying the necessary kernel updates.
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