PT-2026-52305 · Linux+1 · Linux Kernel+1
CVE-2026-53210
·
Published
2026-05-20
·
Updated
2026-09-07
CVSS v4.0
6.8
Medium
| Vector | AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A memory leak occurs in the
register shm helper() function. The function allocates shared memory (shm) before calling iov iter npages(). If iov iter npages() returns 0, the function incorrectly jumps to err ctx put, causing the allocated shm to leak. This issue can be triggered via the TEE IOC SHM REGISTER command using struct tee ioctl shm register data when the length variable is set to 0.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Leak
Missing Release of Resource after Effective Lifetime
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Related Identifiers
Affected Products
Linux Kernel
Ubuntu