CVE-2024-47743
Linux Keys Authority NULL Pointer Dereference vulnerabilty
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.
INFO
Published Date :
Oct. 21, 2024, 1:15 p.m.
Last Modified :
Oct. 22, 2024, 3:45 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2024-47743.
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).
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The following list is the news that have been mention
CVE-2024-47743 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-47743 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]
Oct. 22, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://git.kernel.org/stable/c/0d3b0706ada15c333e6f9faf19590ff715e45d1e No Types Assigned https://git.kernel.org/stable/c/0d3b0706ada15c333e6f9faf19590ff715e45d1e Patch Changed Reference Type https://git.kernel.org/stable/c/13b5b401ead95b5d8266f64904086c55b6024900 No Types Assigned https://git.kernel.org/stable/c/13b5b401ead95b5d8266f64904086c55b6024900 Patch Changed Reference Type https://git.kernel.org/stable/c/3322fa8f2aa40b0b3651034cd541647a600cc6c0 No Types Assigned https://git.kernel.org/stable/c/3322fa8f2aa40b0b3651034cd541647a600cc6c0 Patch Changed Reference Type https://git.kernel.org/stable/c/70fd1966c93bf3bfe3fe6d753eb3d83a76597eef No Types Assigned https://git.kernel.org/stable/c/70fd1966c93bf3bfe3fe6d753eb3d83a76597eef Patch Changed Reference Type https://git.kernel.org/stable/c/a3765b497a4f5224cb2f7a6a2d3357d3066214ee No Types Assigned https://git.kernel.org/stable/c/a3765b497a4f5224cb2f7a6a2d3357d3066214ee Patch Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.17 up to (excluding) 6.1.113 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.54 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.10.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.11 up to (excluding) 6.11.2 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 21, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/3322fa8f2aa40b0b3651034cd541647a600cc6c0 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/a3765b497a4f5224cb2f7a6a2d3357d3066214ee [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/13b5b401ead95b5d8266f64904086c55b6024900 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/0d3b0706ada15c333e6f9faf19590ff715e45d1e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/70fd1966c93bf3bfe3fe6d753eb3d83a76597eef [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-2024-47743 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-2024-47743
weaknesses.