CVE-2023-53435
Published: September 19, 2025Last modified: September 19, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: cassini: Fix a memory leak in the error handling path of cas_init_one() cas_saturn_firmware_init() allocates some memory using vmalloc(). This memory is freed in the .remove() function but not it the error handling path of the probe. Add the missing vfree() to avoid a memory leak, should an error occur.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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/11c0ed097a874156957b515d0ba7e356142eab87
- https://git.kernel.org/stable/c/172146c26f0c1b86ab4e9ebffc7e06f04229fa17
- https://git.kernel.org/stable/c/234e744d86bd95b381d24546df2dba72804e0219
- https://git.kernel.org/stable/c/412cd77a2c24b191c65ea53025222418db09817c
- https://git.kernel.org/stable/c/60d8e8b88087d68e10c8991a0f6733fa2f963ff0
- https://git.kernel.org/stable/c/b8b1a667744741fa7807b09a12797a27f14f3fac
- https://git.kernel.org/stable/c/dc61f7582cc92d547d02e141cd66f5d1f4ed8012
- https://git.kernel.org/stable/c/e20105d967ab5b53ff50a0e5991fe37324d2ba20