mcb: fix a double free bug in chameleon_parse_gdd()
In the Linux kernel, the following vulnerability has been resolved: mcb: fix a double free bug in chameleon_parse_gdd() In chameleon_parse_gdd(), if mcb_device_register() fails, 'mdev' would be released in mcb_device_register() via put_device(). Thus, goto 'err' label and free 'mdev' again causes a double free. Just return if mcb_device_register() fails.
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: mcb: fix a double free bug in chameleon_parse_gdd() In chameleon_parse_gdd(), if mcb_device_register() fails, 'mdev' would be released in mcb_device_register() via put_device(). Thus, goto 'err' label and free 'mdev' again causes a double free. Just return if mcb_device_register() fails.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/4ffe8c9fb561e4427dd1a3056cd5b3685b74f78d
- https://git.kernel.org/stable/c/59f993cd36b6e28a394ba3d977e8ffe5c9884e3b
- https://git.kernel.org/stable/c/7c7f1bfdb2249f854a736d9b79778c7e5a29a150
- https://git.kernel.org/stable/c/96838eb1836fd372e42be5db84f0b333b65146a6
- https://git.kernel.org/stable/c/bcc7d58ee5173e34306026bd01e1fbf75e169d37
- https://git.kernel.org/stable/c/c5b8a549ef1fcc6066b037a3962c79d60465ba0b
- https://git.kernel.org/stable/c/d70184958b0ea8c0fd52e2b456654b503e769fc8
- https://git.kernel.org/stable/c/df1a5d5c6134224f9298e5189230f9d29ae50cac
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37817.json
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-37817