CVE-2026-72041
CVE-2026-72041 is a critical-severity vulnerability 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. The underlying weakness is classified as CWE-664.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-664
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: espintcp: use sk_msg_free_partial to fix partial send sk_msg_free_partial() ensures consistency of the skmsg at every iteration, without having to manually handle uncharges and offsets. This simplifies the code, and fixes some bugs in skmsg accounting when we don't send the full contents.
Frequently asked questions
- What is CVE-2026-72041?
- In the Linux kernel, the following vulnerability has been resolved: espintcp: use sk_msg_free_partial to fix partial send sk_msg_free_partial() ensures consistency of the skmsg at every iteration, without having to manually handle uncharges and offsets. This simplifies the code, and fixes some bugs in skmsg accounting when we don't send the full contents.
- How severe is CVE-2026-72041?
- CVE-2026-72041 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-2026-72041 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-72041?
- 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-2026-72041 published?
- CVE-2026-72041 was published on 2026-08-15 and last updated on 2026-10-19.
References
- https://git.kernel.org/stable/c/007800408002d871f5699bdb944f985896730b8f
- https://git.kernel.org/stable/c/14c0b42c8a2cd9b5361bbff45b52f69c62c6a286
- https://git.kernel.org/stable/c/4ea8c051b4bd7feec7749a980f2f70e1782b84d7
- https://git.kernel.org/stable/c/518dcb84b997dff461800b079e5f2596389f766a
- https://git.kernel.org/stable/c/54d73f18f8919735f4d04d6f43374f75756c0180
- https://git.kernel.org/stable/c/a338ce41bc933d8f74c39d9b3b6f1d8ca53d9714
- https://git.kernel.org/stable/c/a66d45e0ce6d73cd79962d422388e61bfaf0cb50
- https://git.kernel.org/stable/c/a977f78adce40b39d90d9567e7987bb110102810
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