CVE-2026-22984
Linux Kernel out-of-bounds read
- Published23 Jan 2026
Description
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: changelog ]
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
- https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96
- https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2
- https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8
- https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e
- https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9
- https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3
References
- https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96
- https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2
- https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8
- https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e
- https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9
- https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2026-22984 being actively exploited?
CVE-2026-22984 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.39%.
How severe is CVE-2026-22984?
CVE-2026-22984 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.39% probability of exploitation.
Which products are affected by CVE-2026-22984?
Affected products include Linux Kernel.
How do I fix CVE-2026-22984?
Upgrade affected software to a fixed version, for example Linux Kernel 5.15.198 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2026-22984 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.