### [CVE-2024-26800](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26800)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=cd1bbca03f3c%3C%20f2b85a4cc763%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:tls: fix use-after-free on failed backlog decryptionWhen the decrypt request goes to the backlog and crypto_aead_decryptreturns -EBUSY, tls_do_decryption will wait until all asyncdecryptions have completed. If one of them fails, tls_do_decryptionwill return -EBADMSG and tls_decrypt_sg jumps to the error path,releasing all the pages. But the pages have been passed to the asynccallback, and have already been released by tls_decrypt_done.The only true async case is when crypto_aead_decrypt returns -EINPROGRESS. With -EBUSY, we already waited so we can telltls_sw_recvmsg that the data is available for immediate copy, but weneed to notify tls_decrypt_sg (via the new ->async_done flag) that thememory has already been released.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds