What is CVE-2022-48730?

CVE-2022-48730 is a medium-severity vulnerability in Linux, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2024-06-20.

How severe is CVE-2022-48730?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2022-48730

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]

Published 2024-06-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Linux — versions c02a81fba74fe3488ad6b08bfb5a1329005418f8, 5.6, 0
Linux Kernel — versions 5.17

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2022-48730?: CVE-2022-48730 is a medium-severity vulnerability in Linux, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2024-06-20.
How severe is CVE-2022-48730?: Medium severity. CVSS v3 base score is 5.5 out of 10.