CVE-2026-46248 Vulnerability Analysis & Exploit Details

CVE-2026-46248
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2026-46248 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-46248 Details

Status: Analyzed

Last updated: 🕣 09 Jun 2026, 20:36 UTC
Originally published on: 🕕 03 Jun 2026, 18:16 UTC

Time between publication and last update: 6 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2026-46248 Vulnerability Summary

CVE-2026-46248: In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: clear stale link mapping of ahvif->links_map When an arvif is initialized in non-AP STA mode but MLO connection preparation fails before the arvif is created (arvif->is_created remains false), the error path attempts to delete all links. However, link deletion only executes when arvif->is_created is true. As a result, ahvif retains a stale entry of arvif that is initialized but not created. When a new arvif is initialized with the same link id, this stale mapping triggers the following WARN_ON. WARNING: drivers/net/wireless/ath/ath12k/mac.c:4271 at ath12k_mac_op_change_vif_links+0x140/0x180 [ath12k], CPU#3: wpa_supplicant/275 Call trace: ath12k_mac_op_change_vif_links+0x140/0x180 [ath12k] (P) drv_change_vif_links+0xbc/0x1a4 [mac80211] ieee80211_vif_update_links+0x54c/0x6a0 [mac80211] ieee80211_vif_set_links+0x40/0x70 [mac80211] ieee80211_prep_connection+0x84/0x450 [mac80211] ieee80211_mgd_auth+0x200/0x480 [mac80211] ieee80211_auth+0x14/0x20 [mac80211] cfg80211_mlme_auth+0x90/0xf0 [cfg80211] nl80211_authenticate+0x32c/0x380 [cfg80211] genl_family_rcv_msg_doit+0xc8/0x134 Fix this issue by unassigning the link vif and clearing ahvif->links_map if arvif is only initialized but not created. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.5-01651-QCAHKSWPL_SILICONZ-1

Assessing the Risk of CVE-2026-46248

Access Complexity Graph

The exploitability of CVE-2026-46248 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-46248

CVE-2026-46248 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-46248, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-46248, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-46248 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2026-46248 poses no threat to data integrity.
  • Availability: High
    CVE-2026-46248 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-46248 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.16:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.16:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.17:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.17:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.18.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.18.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.19:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.19.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.19.3:*:*:*:*:*:*:*

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