of: unittest: Fix memory leak in unittest_data_add()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.6.160, 6.12.110, 6.18.6
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: of: unittest: Fix memory leak in unittest_data_add() In unittest_data_add(), if of_resolve_phandles() fails, the allocated unittest_data is not freed, leading to a memory leak. Fix this by using scope-based cleanup helper __free(kfree) for automatic resource cleanup. This ensures unittest_data is automatically freed when it goes out of scope in error paths. For the success path, use retain_and_null_ptr() to transfer ownership of the memory to the device tree and prevent double freeing.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 2eb46da2a760e5764c48b752a5ef320e02b96b21 · fixed in 4c7ad40c285ab85e3614433e063f14aac2e2fe17; From 2eb46da2a760e5764c48b752a5ef320e02b96b21 · fixed in 58baf98d1bdab897fd796f39a16061bade229d71; From 2eb46da2a760e5764c48b752a5ef320e02b96b21 · fixed in f09b0f705bd7197863b90256ef533a6414d1db2c; From 2eb46da2a760e5764c48b752a5ef320e02b96b21 · fixed in 235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b
- Linux Linux
3.18
- KernelLinux
From 3.18.0 · fixed in 6.6.160; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.6