CVE-2021-47485
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-47485
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-47485.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.15.3-1 |
| debian | bullseye | fixed | 5.10.84-1 |
| debian | forky | fixed | 5.15.3-1 |
| debian | sid | fixed | 5.15.3-1 |
| debian | trixie | fixed | 5.15.3-1 |
References
Verify integrity in audit chain (admin only). AS-IS.