CVE-2025-37817
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().
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/4ffe8c9fb561e4427dd1a3056cd5b3685b74f78dPatch
- https://git.kernel.org/stable/c/59f993cd36b6e28a394ba3d977e8ffe5c9884e3bPatch
- https://git.kernel.org/stable/c/7c7f1bfdb2249f854a736d9b79778c7e5a29a150Patch
- https://git.kernel.org/stable/c/96838eb1836fd372e42be5db84f0b333b65146a6Patch
- https://git.kernel.org/stable/c/bcc7d58ee5173e34306026bd01e1fbf75e169d37Patch
- https://git.kernel.org/stable/c/c5b8a549ef1fcc6066b037a3962c79d60465ba0bPatch
- https://git.kernel.org/stable/c/d70184958b0ea8c0fd52e2b456654b503e769fc8Patch
- https://git.kernel.org/stable/c/df1a5d5c6134224f9298e5189230f9d29ae50cacPatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.