CVE-2026-45857
Published May 27, 2026
Modified May 27, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: csiostor: Fix dereference of null pointer rn The error exit path when rn is NULL ends up deferencing the null pointer rn via the use of the macro CSIO_INC_STATS. Fix this by adding a new error return path label after the use of the macro to avoid the deference.
Is your site exposed to CVE-2026-45857?
Run a free security scan — no signup, results in seconds.
EPSS — Exploit Prediction
0.0021
Probability of exploitation
0.11%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/16ccbfddcb32365138c806cf572e69b42a193c5c
https://git.kernel.org/stable/c/1982257570b84dc33753d536dd969fd357a014e9
https://git.kernel.org/stable/c/25ab5e97d3c5f3ed594b4a65d1cc99dc24756681
https://git.kernel.org/stable/c/25d623f0d77c11a256a54e860d00c239aa9a2583
https://git.kernel.org/stable/c/3bbbab7b6949c76df64210348adbefedaabbf549
https://git.kernel.org/stable/c/44ef9f81392de885883f73b9f5c43936a82ae9d7
https://git.kernel.org/stable/c/526ea3c0ccd495b0079db3e28fdddd51c1bf01f7
https://git.kernel.org/stable/c/6037124dbf675fbd0a6248aaf04cf07387b8c323
Frequently Asked Questions
What is CVE-2026-45857? +
In the Linux kernel, the following vulnerability has been resolved:
scsi: csiostor: Fix dereference of null pointer rn
The error exit path when rn is NULL ends up deferencing the null pointer rn
via the use of the macro CSIO_INC_STATS. Fix this by adding a new error
return path label after the use of the macro to avoid the deference.
How do I check if I'm vulnerable to CVE-2026-45857? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.