CVE-2022-50879
objtool: Fix SEGFAULT
Description
In the Linux kernel, the following vulnerability has been resolved: objtool: Fix SEGFAULT find_insn() will return NULL in case of failure. Check insn in order to avoid a kernel Oops for NULL pointer dereference.
INFO
Published Date :
Dec. 30, 2025, 1:16 p.m.
Last Modified :
Dec. 30, 2025, 1:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the objtool fix for find_insn.
- Check for NULL pointers before dereferencing.
- Update the Linux kernel.
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-2022-50879.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50879 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-2022-50879
weaknesses.
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-2022-50879 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50879 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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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 30, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: objtool: Fix SEGFAULT find_insn() will return NULL in case of failure. Check insn in order to avoid a kernel Oops for NULL pointer dereference. Added Reference https://git.kernel.org/stable/c/0af0e115ff59d638f45416a004cdd8edb38db40c Added Reference https://git.kernel.org/stable/c/23a249b1185cdd5bfb6971d1608ba49e589f2288 Added Reference https://git.kernel.org/stable/c/38b9415abbd703438ebbc6fb74990bd0fbddc5b9 Added Reference https://git.kernel.org/stable/c/418ef921cce2d7415fab7e3e93529227f239e4bb Added Reference https://git.kernel.org/stable/c/efb11fdb3e1a9f694fa12b70b21e69e55ec59c36 Added Reference https://git.kernel.org/stable/c/fcee8a2d4db404a93e690d79e7273b6ef9d33575