Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: efi: libstub: only free priv.runtime_map when allocated priv.runtime_map is only allocated when efi_novamap is not set. Otherwise, it is an uninitialized value. In the error path, it is freed unconditionally. Avoid passing an uninitialized value to free_pool. Free priv.runtime_map only when it was allocated. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.1, < 6.1.93 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974Mailing ListPatch
- https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554Mailing ListPatch
- https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037eMailing ListPatch
- https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908Mailing ListPatch
- https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974Mailing ListPatch
- https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554Mailing ListPatch
- https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037eMailing ListPatch
- https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908Mailing ListPatch
FAQ
What is CVE-2024-33619?
CVE-2024-33619 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: efi: libstub: only free priv.runtime_map when allocated priv.runtime_map is only allocated when efi_novamap is not set. Otherwise,...
How severe is CVE-2024-33619?
CVE-2024-33619 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-33619?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.