CVE catalog

CVE-2026-43191

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Adjust PHY FSM transition to TX_EN-to-PLL_ON for TMDS on DCN35 [Why] A backport of the change made for DCN401 tha

[CVE catalog]

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: May 6, 2026, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.16% · Oct 25, 2026

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Adjust PHY FSM transition to TX_EN-to-PLL_ON for TMDS on DCN35 [Why] A backport of the change made for DCN401 that addresses an issue where we turn off the PHY PLL when disabling TMDS output, which causes the OTG to remain stuck. The OTG being stuck can lead to a hang in the DCHVM's ability to ACK invalidations when it thinks the HUBP is still on but it's not receiving global sync. The transition to PLL_ON needs to be atomic as there's no guarantee that the thread isn't pre-empted or is able to complete before the IOMMU watchdog times out. [How] Backport the implementation from dcn401 back to dcn35. There's a functional difference in when the eDP output is disabled in dcn401 code so we don't want to utilize it directly.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	linux	sid	`7.2.12-1`	fixed
Debian	linux	forky	`7.2.12-1`	fixed
Debian	linux	trixie	`6.12.107-1`	vulnerable
Debian	linux	trixie-security	`6.12.113-1`	vulnerable
Debian	linux	bookworm	`6.1.176-1`	not affected
Debian	linux	bookworm-security	`6.1.190-1`	not affected
Cpe	linux_kernel	Not reported	`6.19.6`	fixed
Cpe	linux_kernel	Not reported	`6.19.6`	fixed
Linux	Kernel	Not reported	`6.18.57`	fixed
Linux	Kernel	Not reported	`6.19.6`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	linux	source	sid	`6.19.6-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	forky	`6.19.6-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	trixie	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	linux	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Cpe	linux_kernel	cpe	Not reported	`6.19.6`	Not reported	Not reported	Not reported
Cpe	linux_kernel	cpe	Not reported	`6.19.6`	Not reported	NVD-CVE-2026-43191	Not reported
Linux	Kernel	Linux	Not reported	`6.18.57`	Not reported	CVE-2026-43191	Not reported
Linux	Kernel	Linux	Not reported	`6.19.6`	Not reported	CVE-2026-43191	Not reported

OpenFactory catalog packages

[Debian 13 (Trixie)]

[bpftool]Affected
Source package: [linux]
Details (10)
- 7.5.0+6.12.94-1 · amd64 · trixie
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.94-1 · arm64 · trixie
  Affected
  nvd · linux · debian · 13
- 7.8.0+7.1.8-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 7.8.0+7.1.8-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.101-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.105-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.107-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.107-1 · arm64 · trixie-security
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.111-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 7.5.0+6.12.113-1 · amd64 · trixie-security
  Affected
  nvd · linux · debian · 13
[hyperv-daemons]Affected
Source package: [linux]
Details (10)
- 6.12.94-1 · amd64 · trixie
  Affected
  nvd · linux · debian · 13
- 6.12.94-1 · arm64 · trixie
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 6.12.101-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.105-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · arm64 · trixie-security
  Affected
  nvd · linux · debian · 13
- 6.12.111-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.113-1 · amd64 · trixie-security
  Affected
  nvd · linux · debian · 13
[intel-sdsi]Affected
Source package: [linux]
Details (7)
- 6.12.94-1 · amd64 · trixie
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 6.12.101-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.105-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.111-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.113-1 · amd64 · trixie-security
  Affected
  nvd · linux · debian · 13
[libcpupower1]Affected
Source package: [linux]
Details (10)
- 6.12.94-1 · amd64 · trixie
  Affected
  nvd · linux · debian · 13
- 6.12.94-1 · arm64 · trixie
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 6.12.101-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.105-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · arm64 · trixie-security
  Affected
  nvd · linux · debian · 13
- 6.12.111-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.113-1 · amd64 · trixie-security
  Affected
  nvd · linux · debian · 13
[libcpupower-dev]Affected
Source package: [linux]
Details (10)
- 6.12.94-1 · amd64 · trixie
  Affected
  nvd · linux · debian · 13
- 6.12.94-1 · arm64 · trixie
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 7.1.8-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
- 6.12.101-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.105-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.107-1 · arm64 · trixie-security
  Affected
  nvd · linux · debian · 13
- 6.12.111-1 · amd64 · trixie-security · Historical version
  Affected
  nvd · linux · debian · 13
- 6.12.113-1 · amd64 · trixie-security
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-arm64]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-arm64-16k]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-cloud-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-cloud-arm64]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-rt-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.12+deb13-rt-arm64]Affected
Source package: [linux]
Details (1)
- 6.18.12-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-arm64]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-arm64-16k]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-cloud-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-cloud-arm64]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-rt-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.15+deb13-rt-arm64]Affected
Source package: [linux]
Details (1)
- 6.18.15-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · linux · debian · 13
[linux-base-6.18.5+deb13-amd64]Affected
Source package: [linux]
Details (1)
- 6.18.5-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · linux · debian · 13

Next results

Observed: Oct 27, 2026, 7:48:27 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]