CVE-2019-19083 — Memory leaks in *clock_source_create() functions under drivers/gpu/drm/amd/displ

Memory leaks in *clock_source_create() functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service (memory consumption). This affects the dce112_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce11

01What is this vulnerability?

Memory leaks in *clock_source_create() functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service (memory consumption). This affects the dce112_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c, the dce100_clock_source_create() function in…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-11-18T06:15:13.890
• Last modified: 2026-10-08T21:17:18.697

09References

• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.8
• github.com — https://github.com/torvalds/linux/commit/055e547478a11a6360c7ce05e2afc3e366968a1…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20191205-0001/
• usn.ubuntu.com — https://usn.ubuntu.com/4208-1/
• usn.ubuntu.com — https://usn.ubuntu.com/4226-1/
• usn.ubuntu.com — https://usn.ubuntu.com/4227-1/
• usn.ubuntu.com — https://usn.ubuntu.com/4227-2/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.8