CVE-2022-50192
spi: tegra20-slink: fix UAF in tegra_slink_remove()
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: spi: tegra20-slink: fix UAF in tegra_slink_remove() After calling spi_unregister_master(), the refcount of master will be decrease to 0, and it will be freed in spi_controller_release(), the device data also will be freed, so it will lead a UAF when using 'tspi'. To fix this, get the master before unregister and put it when finish using it.
Timeline
ID reserved
By Linux
Published
- 11 months later
· 11 months 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 |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 82% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 26c863418221344b1cfb8e6c11116b2b81144281 – < 415b4ce61308f24583912d887772dfcbf97f1d20
- affected 26c863418221344b1cfb8e6c11116b2b81144281 – < 800c7767e05d29656713e04532823a752e57e037
- affected 26c863418221344b1cfb8e6c11116b2b81144281 – < 67f77172644260482fdafc03b6025847944701e5
- affected 26c863418221344b1cfb8e6c11116b2b81144281 – < 7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.61 – ≤ 5.15.*
- unaffected 5.18.18 – ≤ 5.18.*
- unaffected 5.19.2 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (4)
- https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20 (opens in a new tab)
- https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037 (opens in a new tab)
- https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5 (opens in a new tab)
- https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0 (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)
- 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://trackcve.app/cve/CVE-2022-50192)Record last updated .