Bug 2396934 (CVE-2025-39864)
| Summary: | CVE-2025-39864 kernel: wifi: cfg80211: fix use-after-free in cmp_bss() | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | Keywords: | Security |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A use after free vulnerbility exists in the linux kernel wifi module in the cmp_bss() function,an attacker could create a crafted payload to trigger, leading to damage availability and integrity of the system
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2025091906-CVE-2025-39864-a3a2@gregkh/T This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:19440 https://access.redhat.com/errata/RHSA-2025:19440 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:19447 https://access.redhat.com/errata/RHSA-2025:19447 This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:19962 https://access.redhat.com/errata/RHSA-2025:19962 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2025:21083 https://access.redhat.com/errata/RHSA-2025:21083 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2025:21084 https://access.redhat.com/errata/RHSA-2025:21084 This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:21463 https://access.redhat.com/errata/RHSA-2025:21463 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2025:22392 https://access.redhat.com/errata/RHSA-2025:22392 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:22405 https://access.redhat.com/errata/RHSA-2025:22405 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2025:22752 https://access.redhat.com/errata/RHSA-2025:22752 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:23424 https://access.redhat.com/errata/RHSA-2025:23424 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:23422 https://access.redhat.com/errata/RHSA-2025:23422 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:23426 https://access.redhat.com/errata/RHSA-2025:23426 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:23423 https://access.redhat.com/errata/RHSA-2025:23423 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2025:23445 https://access.redhat.com/errata/RHSA-2025:23445 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:23450 https://access.redhat.com/errata/RHSA-2025:23450 |
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bss() to free the last beacon frame elements only if they're not shared via the corresponding 'hidden_beacon_bss' pointer.