CVE-2021-47215
Linux Kernel vulnerability
- Published10 Apr 2024
Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix crash in RX resync flow For the TLS RX resync flow, we maintain a list of TLS contexts that require some attention, to communicate their resync information to the HW. Here we fix list corruptions, by protecting the entries against movements coming from resync_handle_seq_match(), until their resync handling in napi is fully completed.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
References
Frequently asked
Is CVE-2021-47215 being actively exploited?
CVE-2021-47215 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.50%.
How severe is CVE-2021-47215?
CVE-2021-47215 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.50% probability of exploitation.
Which products are affected by CVE-2021-47215?
Affected products include Linux Kernel.
How do I fix CVE-2021-47215?
Upgrade affected software to a fixed version, for example Linux Kernel 5.15.5 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2021-47215 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.