0.0
NA
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
Affected Products

The following products are affected by CVE-2022-50879 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Address NULL pointer dereference by checking for valid instruction pointers.
  • Apply the objtool fix for find_insn.
  • Check for NULL pointers before dereferencing.
  • Update the Linux kernel.
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.

  • 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
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.