CVE-2023-53687
Published: October 8, 2025Last modified: October 8, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk When the best clk is searched, we iterate over all possible clk. If we find a better match, the previous one, if any, needs to be freed. If a better match has already been found, we still need to free the new one, otherwise it leaks.
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 | Fixed (6.1.42-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/01dd8a43a84616c830782166ba3cceb01ad95363
- https://git.kernel.org/stable/c/1962717c4649e026a4252fe6625175affd28a593
- https://git.kernel.org/stable/c/1f426293fef1c13742b2a685bf7e363f51f6ee03
- https://git.kernel.org/stable/c/46574e5a0a2aee41e6ebb979cfe1dbaea8693e16
- https://git.kernel.org/stable/c/832e231cff476102e8204a9e7bddfe5c6154a375
- https://git.kernel.org/stable/c/933e5b2998bc3a527d15efbf1e97c9e63297aa3c
- https://git.kernel.org/stable/c/9dd8091959bc41fee51d0827276a2b982e84adf0
- https://git.kernel.org/stable/c/f0bf102ef9b05d7294bd8d506755465f6867d944