serial: Fix potential null-ptr-deref in mlb_usio_probe()
In the Linux kernel, the following vulnerability has been resolved: serial: Fix potential null-ptr-deref in mlb_usio_probe() devm_ioremap() can return NULL on error. Currently, mlb_usio_probe() does not check for this case, which could result in a NULL pointer dereference. Add NULL check after devm_ioremap() to prevent this issue.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: serial: Fix potential null-ptr-deref in mlb_usio_probe() devm_ioremap() can return NULL on error. Currently, mlb_usio_probe() does not check for this case, which could result in a NULL pointer dereference. Add NULL check after devm_ioremap() to prevent this issue.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/19fd9f5a69363d33079097d866eb6082d61bf31d
- https://git.kernel.org/stable/c/548b0e81b9a0902a8bc8259430ed965663baadfc
- https://git.kernel.org/stable/c/81159a6b064142b993f2f39828b77e199c77872a
- https://git.kernel.org/stable/c/86bcae88c9209e334b2f8c252f4cc66beb261886
- https://git.kernel.org/stable/c/a05ebe384c7ca75476453f3070c67d9cf1d1a89f
- https://git.kernel.org/stable/c/a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea
- https://git.kernel.org/stable/c/c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d
- https://git.kernel.org/stable/c/e1b144aebe6fb898d96ced8c990d7aa38fda4a7a
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38135.json
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-38135