CVE-2024-33619
"Linux Kernel EFI libstub Null Pointer Dereference"
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.
INFO
Published Date :
June 21, 2024, 11:15 a.m.
Last Modified :
Nov. 21, 2024, 9:17 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-33619.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-33619 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-33619 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Mar. 05, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-908 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.1 from (excluding) 6.1.93 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 from (excluding) 6.6.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 from (excluding) 6.9.4 Added Reference Type CVE: https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974 Types: Mailing List, Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974 Types: Mailing List, Patch Added Reference Type CVE: https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554 Types: Mailing List, Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554 Types: Mailing List, Patch Added Reference Type CVE: https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e Types: Mailing List, Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e Types: Mailing List, Patch Added Reference Type CVE: https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908 Types: Mailing List, Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908 Types: Mailing List, Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974 Added Reference https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554 Added Reference https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e Added Reference https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 21, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-33619 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-33619
weaknesses.