cryptodev-linux version 1.14 and prior contain a page reference handling flaw in the get_userbuf function of the /dev/crypto device driver that allows local users to trigger use-after-free conditions…
High CVSS 7.8
Summary
cryptodev-linux version 1.14 and prior contain a page reference handling flaw in the get_userbuf function of the /dev/crypto device driver that allows local users to trigger use-after-free conditions. Attackers with access to the /dev/crypto interface can repeatedly decrement reference counts of controlled pages to achieve local privilege escalation.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Lint boundary warnings (1)
The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).
-
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: https://nasm.re/posts/cryptodev-linux-vuln/
Sources
- NVD DATABASE
Original Links
- https://gist.github.com/n4sm/0fd2479e0c23e0fa2f192cd8fda45750
- https://github.com/cryptodev-linux/cryptodev-linux/pull/104
- https://nasm.re/posts/cryptodev-linux-vuln/
- https://www.vulncheck.com/advisories/cryptodev-linux-get-userbuf-use-after-free-lpe
Timeline
- nvd_ingest NVD