CVE-2024-26945: crypto: iaa - Fix nr_cpus < nr_iaa case
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix nr_cpus < nr_iaa case If nr_cpus < nr_iaa, the calculated cpus_per_iaa will be 0, which causes a divide-by-0 in rebalance_wq_table(). Make sure cpus_per_iaa is 1 in that case, and also in the nr_iaa == 0 case, even though cpus_per_iaa is never used if nr_iaa == 0, for paranoia.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/5a7e89d3315d1be86aff8a8bf849023cda6547f7
- https://git.kernel.org/stable/c/a5ca1be7f9817de4e93085778b3ee2219bdc2664
- https://launchpad.net/bugs/cve/CVE-2024-26945
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26945
- https://nvd.nist.gov/vuln/detail/CVE-2024-26945
- https://security-tracker.debian.org/tracker/CVE-2024-26945
- https://ubuntu.com/security/CVE-2024-26945
- https://git.kernel.org/linus/5a7e89d3315d1be86aff8a8bf849023cda6547f7
Frequently Asked Questions
What is the severity of CVE-2024-26945?
CVE-2024-26945 has been classified as a moderate severity vulnerability due to its potential to cause a divide-by-zero error.
How do I fix CVE-2024-26945?
To fix CVE-2024-26945, update your Linux kernel to version 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 software is affected by CVE-2024-26945?
CVE-2024-26945 affects specific versions of the Linux kernel found in Debian distributions.
What does CVE-2024-26945 impact?
CVE-2024-26945 impacts the kernel's handling of CPU allocation, potentially leading to system instability.
Is CVE-2024-26945 a common vulnerability?
CVE-2024-26945 is not widely reported but poses a risk for users with the affected Linux kernel versions.
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