CVE-2026-46288of: unittest: fix use-after-free in of_unittest_changeset()
- 8.4HighCVSS base score
- 0.14%Exploitation in 30 daysEPSS · top 97% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix use-after-free in of_unittest_changeset() The variable 'parent' is assigned the value of 'nchangeset' earlier in the function, meaning both point to the same struct device_node. The call to of_node_put(nchangeset) can decrement the reference count to zero and free the node if there are no other holders. After that, the code still uses 'parent' to check for the presence of a property and to read a string property, leading to a use-after-free. Fix this by moving the of_node_put() call after the last access to 'parent', avoiding the UAF.
Timeline
ID reserved
By Linux
- 26 days later
· 26 days later
Published
- 58 days later
· 58 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.14% · top 97% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Affected products
- affected 1c668ea65506e67ce2eae07b69bb09fcdd86e309 – < 37318d1a27c9cc5a70d3cd7e49e30ec86f2b8ca1
- affected 1c668ea65506e67ce2eae07b69bb09fcdd86e309 – < 7f0f0926f3010b10cff5e93446258f971e42f2fd
- affected 1c668ea65506e67ce2eae07b69bb09fcdd86e309 – < 6fdad20b7975bdc32e85b45f8f7c640f6687b81f
- affected 1c668ea65506e67ce2eae07b69bb09fcdd86e309 – < faecdd423c27f0d6090156a435ba9dbbac0eaddb
- affected 6.12
- unaffected < 6.12
- unaffected 6.12.86 – ≤ 6.12.*
- unaffected 6.18.27 – ≤ 6.18.*
- unaffected 7.0.4 – ≤ 7.0.*
- unaffected 7.1 – ≤ *
References
References4
- https://git.kernel.org/stable/c/37318d1a27c9cc5a70d3cd7e49e30ec86f2b8ca1 (opens in a new tab)
- https://git.kernel.org/stable/c/7f0f0926f3010b10cff5e93446258f971e42f2fd (opens in a new tab)
- https://git.kernel.org/stable/c/6fdad20b7975bdc32e85b45f8f7c640f6687b81f (opens in a new tab)
- https://git.kernel.org/stable/c/faecdd423c27f0d6090156a435ba9dbbac0eaddb (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-35153 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-46288)Record last updated .