What is CVE-2022-48656?

CVE-2022-48656 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2024-04-28.

How severe is CVE-2022-48656?

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

Is CVE-2022-48656 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2022-48656

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get() We should call of_node_put() for the reference returned by of_parse_phandle() in fail path or when it is not used anymore. Here we only need to move the of_node_put() before the check.

EPSS: 0.003 (17.9th percentile) — read the EPSS interpretation.

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:N/I:N/A:H.

Affected products

Linux — versions d702419134133db1eab2067dc6ea5723467fd917, 5.6, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

Public proof-of-concept exploits

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-2022-48656?: CVE-2022-48656 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2024-04-28.
How severe is CVE-2022-48656?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-48656 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.