CVE-2026-46285

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: docg3: fix use-after-free in docg3_release() In docg3_release(), the docg3 pointer is obtained from cascade->floors[0]->priv before the loop that calls doc_release_device() on each floor. doc_release_device() frees the docg3 struct via kfree(docg3) at line 1881. After the loop, docg3->cascade->bch dereferences the already-freed pointer. Fix this by accessing cascade->bch directly, which is equivalent since docg3->cascade points back to the same cascade struct, and is already available as a local variable. This also removes the now-unused docg3 local variable.

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

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/16f6588a3b7a2a20d10ad9b766be74c60ba347cc https://git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3e https://git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391 https://git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339 https://git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98 https://git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611bee https://git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679 https://git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17

Frequently Asked Questions

What is CVE-2026-46285? +

In the Linux kernel, the following vulnerability has been resolved: mtd: docg3: fix use-after-free in docg3_release() In docg3_release(), the docg3 pointer is obtained from cascade->floors[0]->priv before the loop that calls doc_release_device() on each floor. doc_release_device() frees the docg3 struct via kfree(docg3) at line 1881. After the loop, docg3->cascade->bch dereferences the already-freed pointer. Fix this by accessing cascade->bch directly, which is equivalent since docg3->cascade points back to the same cascade struct, and is already available as a local variable. This also removes the now-unused docg3 local variable.

How do I check if I'm vulnerable to CVE-2026-46285? +

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.

Description

EPSS — Exploit Prediction

References

Other References

Frequently Asked Questions

Don't wait for an exploit