CVE-2026-64150
CVE-2026-64150 is a critical-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: release local_lock before re-enabling softirqs Quoting sashiko: In the error path, local_bh_enable() is called before local_unlock_nested_bh().
Frequently asked questions
- What is CVE-2026-64150?
- In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: release local_lock before re-enabling softirqs Quoting sashiko: In the error path, local_bh_enable() is called before local_unlock_nested_bh().
- How severe is CVE-2026-64150?
- CVE-2026-64150 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-64150 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-64150?
- CVE-2026-64150 primarily affects Linux Linux Kernel. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-64150?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2026-64150 published?
- CVE-2026-64150 was published on 2026-07-19 and last updated on 2026-08-17.
References
- https://git.kernel.org/stable/c/6fecd39c6401134b58505bc4eb1adc8a0e2fe992
- https://git.kernel.org/stable/c/a6cb3ff979855f7f0ee9450a947fe8f96c2ba37a
- https://git.kernel.org/stable/c/df19b6af171695a1352314597c9a4311d48d5171
Affected products (5)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*
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