medium5.5
CVE-2026-53210
In the Linux kernel, the following vulnerability has been resolved: tee: shm: fix shm leak in register_shm_helper() register_shm_helper() allocates shm before …
Impact
In the Linux kernel, the following vulnerability has been resolved: tee: shm: fix shm leak in register_shm_helper() register_shm_helper() allocates shm before calling iov_iter_npages(). If iov_iter_npages() returns 0, the function jumps to err_ctx_put and leaks shm. This can be triggered by TEE_IOC_SHM_REGISTER with struct tee_ioctl_shm_register_data where length is 0. Jump to err_free_shm instead.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 6.8 before 6.12.94 from 6.13 before 6.18.36 from 6.19 before 7.0.13 Version 7.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/26682f5efc276e3ad96d102019472bfbf03833b2
- https://git.kernel.org/stable/c/4277759906b44d923a38c8f59f5576501b187b0d
- https://git.kernel.org/stable/c/c10c9c48b2903f41ed4c532043b0576e86228236
- https://git.kernel.org/stable/c/dbf779db927414f5b37c1f666013e9b48a88cfde