CVE-2024-47743
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: KEYS: prevent NULL pointer dereference in find_asymmetric_key() In find_asymmetric_key(), if all NULLs are passed in the id_{0,1,2} arguments, the kernel will first emit WARN but then have an oops because id_2 gets dereferenced anyway. Add the missing id_2 check and move WARN_ON() to the final else branch to avoid duplicate NULL checks. Found by Linux Verification Center (linuxtesting.org) with Svace static analysis tool.
SeverityMedium
CVSS5.5
Exploit probability13. percentile0.2%
Product
Linux Kernel
PublishedOct 21, 2024
First seenOct 21, 2024
How to fix
Update
- linux linux_kernel6.1.113, 6.6.54, 6.10.13, 6.11.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.17 ≤ v < 6.1.113, 6.2 ≤ v < 6.6.54, 6.7 ≤ v < 6.10.13, 6.11 ≤ v < 6.11.2 | 6.1.113, 6.6.54, 6.10.13, 6.11.2 |
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