CVE-2025-39733
CVE-2025-39733 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-31497
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: team: replace team lock with rtnl lock syszbot reports various ordering issues for lower instance locks and team lock. Switch to using rtnl lock for protecting team device, similar to bonding. Based on the patch by Tetsuo Handa.
Frequently asked questions
- What is CVE-2025-39733?
- In the Linux kernel, the following vulnerability has been resolved: team: replace team lock with rtnl lock syszbot reports various ordering issues for lower instance locks and team lock. Switch to using rtnl lock for protecting team device, similar to bonding. Based on the patch by Tetsuo Handa.
- How severe is CVE-2025-39733?
- CVE-2025-39733 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-39733 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-39733?
- CVE-2025-39733 primarily affects Linux Linux Kernel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-39733?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-39733 have an EU (EUVD) identifier?
- Yes. CVE-2025-39733 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31497.
- When was CVE-2025-39733 published?
- CVE-2025-39733 was published on 2025-09-07 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/53edc761c9911f597b6d701e846f6e84f15eaa6d
- https://git.kernel.org/stable/c/556a4337ba3e9a70e1e3a428e8465c3ea3c4aa41
- https://git.kernel.org/stable/c/bfb4fb77f9a8ce33ce357224569eae5564eec573
Affected products (2)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*
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