CVE-2022-48882

MEDIUM EPSS 10.6%
Published Aug 21, 20241y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 21, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix macsec possible null dereference when updating MAC security entity (SecY) Upon updating MAC security entity (SecY) in hw offload path, the macsec security association (SA) initialization routine is called. In case of extended packet number (epn) is enabled the salt and ssci attributes are retrieved using the MACsec driver rx_sa context which is unavailable when updating a SecY property such as encoding-sa hence the null dereference. Fix by using the provided SA to set those attributes.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
10.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel*≥6.1  –  <6.1.7

References 2

  • git.kernel.org https://git.kernel.org/stable/c/514d9c6a39213d8200884e70f60ce7faef1ee597
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9828994ac492e8e7de47fe66097b7e665328f348
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/514d9c6a39213d8200884e70f60ce7faef1ee597
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9828994ac492e8e7de47fe66097b7e665328f348
    Patch