CVE-2024-53107: fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()
First published: Mon Dec 02 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args() The "arg->vec_len" variable is a u64 that comes from the user at the start of the function. The "arg->vec_len * sizeof(struct page_region))" multiplication can lead to integer wrapping. Use size_mul() to avoid that. Also the size_add/mul() functions work on unsigned long so for 32bit systems we need to ensure that "arg->vec_len" fits in an unsigned long.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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/adee03f8903c58a6a559f21388a430211fac8ce9
- https://git.kernel.org/stable/c/669b0cb81e4e4e78cff77a5b367c7f70c0c6c05e
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53107
- https://nvd.nist.gov/vuln/detail/CVE-2024-53107
- https://launchpad.net/bugs/cve/CVE-2024-53107
- https://security-tracker.debian.org/tracker/CVE-2024-53107
- https://ubuntu.com/security/CVE-2024-53107
- https://git.kernel.org/linus/669b0cb81e4e4e78cff77a5b367c7f70c0c6c05e
Frequently Asked Questions
What is the severity of CVE-2024-53107?
CVE-2024-53107 has been classified as having a medium severity level due to the potential for integer overflow leading to memory issues.
How do I fix CVE-2024-53107?
To fix CVE-2024-53107, update the Linux kernel to version 6.11.10 or later.
Which versions of the Linux kernel are affected by CVE-2024-53107?
CVE-2024-53107 affects Linux kernel versions from 6.7 up to and including 6.11.10 and all 6.12 release candidates.
What impact does CVE-2024-53107 have on system security?
CVE-2024-53107 can potentially allow for system instability and unauthorized access due to improper handling of user input.
Where can I find more information on CVE-2024-53107?
Detailed information about CVE-2024-53107 can be found in the official Linux kernel change logs.
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