CVE-2026-43230
CVE-2026-43230 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-27791
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: net/rds: Clear reconnect pending bit When canceling the reconnect worker, care must be taken to reset the reconnect-pending bit. If the reconnect worker has not yet been scheduled before it is canceled, the reconnect-pending bit will stay on forever.
Frequently asked questions
- What is CVE-2026-43230?
- In the Linux kernel, the following vulnerability has been resolved: net/rds: Clear reconnect pending bit When canceling the reconnect worker, care must be taken to reset the reconnect-pending bit. If the reconnect worker has not yet been scheduled before it is canceled, the reconnect-pending bit will stay on forever.
- How severe is CVE-2026-43230?
- CVE-2026-43230 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-43230 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-43230?
- CVE-2026-43230 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-43230?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-43230 have an EU (EUVD) identifier?
- Yes. CVE-2026-43230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27791.
- When was CVE-2026-43230 published?
- CVE-2026-43230 was published on 2026-05-06 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/14eae5564053ac3973b9369dc674638f22f4765e
- https://git.kernel.org/stable/c/391200c274e90c34071b909ba12e3390b81b767f
- https://git.kernel.org/stable/c/3cf001aff71b1db1b4732a5381b012a114720664
- https://git.kernel.org/stable/c/597c46a42930c963f448720aaf5001dd4ed98af4
- https://git.kernel.org/stable/c/60b347333ec259ac7352f62cbbc365b04c065ff8
- https://git.kernel.org/stable/c/b89fc7c2523b2b0750d91840f4e52521270d70ed
- https://git.kernel.org/stable/c/ba2e3472022f44baddf000621fed150d7a599ea3
- https://git.kernel.org/stable/c/bcf034fa5f66b6a3e787f765a917934a2045cf7a
Affected products (1)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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