CVE-2022-50252
igb: Do not free q_vector unless new one was allocated
Description
In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-free condition under memory pressure. If the kzalloc() fails, q_vector will be freed but left in the original adapter->q_vector[v_idx] array position.
INFO
Published Date :
Sept. 15, 2025, 2:15 p.m.
Last Modified :
Nov. 26, 2025, 4:25 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Linux kernel to the latest version.
- Apply the relevant patch for the igb driver.
- Reboot the system after applying updates.
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-2022-50252.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50252 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-2022-50252
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-2022-50252 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50252 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.
-
Initial Analysis by [email protected]
Nov. 26, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.303 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.270 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.229 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.0.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.1 up to (excluding) 6.1.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.163 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.9.337 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.86 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 15, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-free condition under memory pressure. If the kzalloc() fails, q_vector will be freed but left in the original adapter->q_vector[v_idx] array position. Added Reference https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633 Added Reference https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801 Added Reference https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8 Added Reference https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff Added Reference https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c Added Reference https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803 Added Reference https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3 Added Reference https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a Added Reference https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075