CVE-2023-53059
Published: May 6, 2025Last modified: May 6, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl It is possible to peep kernel page's data by providing larger `insize` in struct cros_ec_command[1] when invoking EC host commands. Fix it by using zeroed memory. [1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/13493ad6a220cb3f6f3552a16b4f2753a118b633
- https://git.kernel.org/stable/c/a0d8644784f73fa39f57f72f374eefaba2bf48a0
- https://git.kernel.org/stable/c/b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3
- https://git.kernel.org/stable/c/eab28bfafcd1245a3510df9aa9eb940589956ea6
- https://git.kernel.org/stable/c/ebea2e16504f40d2c2bac42ad5c5a3de5ce034b4
- https://git.kernel.org/stable/c/f86ff88a1548ccf5a13960c0e7625ca787ea0993