serial: imx: Introduce timeout when waiting on transmitter empty
In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2_TXDC to be set, we avoid a potential deadlock. In case of the timeout, there is not much we can do, so we simply ignore the transmitter state and optimistically try to continue.
02 / AFFECTED SOFTWARE
Affected packages
314 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2_TXDC to be set, we avoid a potential deadlock. In case of the timeout, there is not much we can do, so we simply ignore the transmitter state and optimistically try to continue.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/53b2c95547427c358f45515a9f144efee95e3701
- https://git.kernel.org/stable/c/7f2b9ab6d0b26f16cd38dd9fd91d51899635f7c7
- https://git.kernel.org/stable/c/7f9e70c68b7ace0141fe3bc94bf7b61296b71916
- https://git.kernel.org/stable/c/982ae3376c4c91590d38dc8a676c10f7df048a44
- https://git.kernel.org/stable/c/e533e4c62e9993e62e947ae9bbec34e4c7ae81c2
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40967.json
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-40967