5.5
MEDIUM CVSS 3.1
CVE-2022-49627
"Linux IMA Memory Leak"
Description

In the Linux kernel, the following vulnerability has been resolved: ima: Fix potential memory leak in ima_init_crypto() On failure to allocate the SHA1 tfm, IMA fails to initialize and exits without freeing the ima_algo_array. Add the missing kfree() for ima_algo_array to avoid the potential memory leak.

INFO

Published Date :

Feb. 26, 2025, 7:01 a.m.

Last Modified :

March 11, 2025, 10:35 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-49627 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.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Fix a potential memory leak in the Linux kernel's IMA module by freeing allocated memory.
  • Apply the patch to the Linux kernel source code.
  • Recompile the kernel with the fix.
  • Install the updated kernel.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49627 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-2022-49627 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-2022-49627 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49627 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]

    Mar. 11, 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-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.8 from (excluding) 5.10.132 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.56 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.13
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/067d2521874135267e681c19d42761c601d503d6 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/601ae26aa2802a4c10c94d7388a99eabdbefab2b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/830de9667b3ada0a75a3f098dfc7159709fe397b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c1d9702ceb4a091da6bee380627596d1fba09274 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 26, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: ima: Fix potential memory leak in ima_init_crypto() On failure to allocate the SHA1 tfm, IMA fails to initialize and exits without freeing the ima_algo_array. Add the missing kfree() for ima_algo_array to avoid the potential memory leak.
    Added Reference https://git.kernel.org/stable/c/067d2521874135267e681c19d42761c601d503d6
    Added Reference https://git.kernel.org/stable/c/601ae26aa2802a4c10c94d7388a99eabdbefab2b
    Added Reference https://git.kernel.org/stable/c/830de9667b3ada0a75a3f098dfc7159709fe397b
    Added Reference https://git.kernel.org/stable/c/c1d9702ceb4a091da6bee380627596d1fba09274
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
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact