PT-2024-32789 · Linux+6 · Linux Kernel+6
Published
2024-10-21
·
Updated
2025-09-29
·
CVE-2024-47743
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.6.58
Description
A vulnerability in the Linux kernel has been resolved, which prevented a NULL pointer dereference in the
find asymmetric key() function. If all NULLs are passed in the id {0,1,2} arguments, the kernel will first emit a warning but then have an oops because id 2 gets dereferenced anyway. The issue was found by the Linux Verification Center with the Svace static analysis tool.Recommendations
For Linux kernel versions prior to 6.6.58, update to version 6.6.58 or later to resolve the issue. As a temporary workaround, consider adding the missing
id 2 check and moving WARN ON() to the final else branch to avoid duplicate NULL checks in the find asymmetric key() function.Exploit
Fix
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu