CVE-2023-53784
published 2025-12-09CVE-2023-53784: In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dw_hdmi: fix connector access for scdc Commit 5d844091f237 ("drm/scdc-helper…
PriorityP421low4.7
EPSS
0.18%
7.9th percentile
In the Linux kernel, the following vulnerability has been resolved:
drm: bridge: dw_hdmi: fix connector access for scdc
Commit 5d844091f237 ("drm/scdc-helper: Pimp SCDC debugs") changed the scdc
interface to pick up an i2c adapter from a connector instead. However, in
the case of dw-hdmi, the wrong connector was being used to pass i2c adapter
information, since dw-hdmi's embedded connector structure is only populated
when the bridge attachment callback explicitly asks for it.
drm-meson is handling connector creation, so this won't happen, leading to
a NULL pointer dereference.
Fix it by having scdc functions access dw-hdmi's current connector pointer
instead, which is assigned during the bridge enablement stage.
[narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag]
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.4.11-1 (forky) | linux 6.4.11-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= 5d844091f2370f01752c3129b147861b9dcd3d98 < 552f79aa9e801ed4f74d6b3221af78042ba4f235 | 552f79aa9e801ed4f74d6b3221af78042ba4f235 |
| linux | linux | >= 5d844091f2370f01752c3129b147861b9dcd3d98 < 98703e4e061fb8715c7613cd227e32cdfd136b23 | 98703e4e061fb8715c7613cd227e32cdfd136b23 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 6.4.0 < 6.4.5 | 6.4.5 |
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Red Hat
kernel: drm: bridge: dw_hdmi: fix connector access for scdc
vendor_redhat·2025-12-09·CVSS 4.7
CVE-2023-53784 [LOW] CWE-476 kernel: drm: bridge: dw_hdmi: fix connector access for scdc
kernel: drm: bridge: dw_hdmi: fix connector access for scdc
In the Linux kernel, the following vulnerability has been resolved:
drm: bridge: dw_hdmi: fix connector access for scdc
Commit 5d844091f237 ("drm/scdc-helper: Pimp SCDC debugs") changed the scdc
interface to pick up an i2c adapter from a connector instead. However, in
the case of dw-hdmi, the wrong connector was being used to pass i2c adapter
information, since dw-hdmi's embedded connector structure is only populated
when the bridge attachment callback explicitly asks for it.
drm-meson is handling connector creation, so this won't happen, leading to
a NULL pointer dereference.
Fix it by having scdc functions access dw-hdmi's current connector pointer
instead, which is assigned during the bridge enablement stage.
[narmstrong: move
Debian
CVE-2023-53784: linux - In the Linux kernel, the following vulnerability has been resolved: drm: bridge...
vendor_debian·2023
CVE-2023-53784 [LOW] CVE-2023-53784: linux - In the Linux kernel, the following vulnerability has been resolved: drm: bridge...
In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dw_hdmi: fix connector access for scdc Commit 5d844091f237 ("drm/scdc-helper: Pimp SCDC debugs") changed the scdc interface to pick up an i2c adapter from a connector instead. However, in the case of dw-hdmi, the wrong connector was being used to pass i2c adapter information, since dw-hdmi's embedded connector structure is only populated when the bridge attachment callback explicitly asks for it. drm-meson is handling connector creation, so this won't happen, leading to a NULL pointer dereference. Fix it by having scdc functions access dw-hdmi's current connector pointer instead, which is assigned during the bridge enablement stage. [narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag]
Sco
OSV
drm: bridge: dw_hdmi: fix connector access for scdc
osv·2025-12-09
CVE-2023-53784 drm: bridge: dw_hdmi: fix connector access for scdc
drm: bridge: dw_hdmi: fix connector access for scdc
In the Linux kernel, the following vulnerability has been resolved:
drm: bridge: dw_hdmi: fix connector access for scdc
Commit 5d844091f237 ("drm/scdc-helper: Pimp SCDC debugs") changed the scdc
interface to pick up an i2c adapter from a connector instead. However, in
the case of dw-hdmi, the wrong connector was being used to pass i2c adapter
information, since dw-hdmi's embedded connector structure is only populated
when the bridge attachment callback explicitly asks for it.
drm-meson is handling connector creation, so this won't happen, leading to
a NULL pointer dereference.
Fix it by having scdc functions access dw-hdmi's current connector pointer
instead, which is assigned during the bridge enablement stage.
[narmstrong: moved F
OSV
CVE-2023-53784: In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dw_hdmi: fix connector access for scdc Commit 5d844091f237 ("drm/scdc
osv·2025-12-09
CVE-2023-53784 CVE-2023-53784: In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dw_hdmi: fix connector access for scdc Commit 5d844091f237 ("drm/scdc
In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dw_hdmi: fix connector access for scdc Commit 5d844091f237 ("drm/scdc-helper: Pimp SCDC debugs") changed the scdc interface to pick up an i2c adapter from a connector instead. However, in the case of dw-hdmi, the wrong connector was being used to pass i2c adapter information, since dw-hdmi's embedded connector structure is only populated when the bridge attachment callback explicitly asks for it. drm-meson is handling connector creation, so this won't happen, leading to a NULL pointer dereference. Fix it by having scdc functions access dw-hdmi's current connector pointer instead, which is assigned during the bridge enablement stage. [narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag]
GHSA
GHSA-phmc-8r45-84x7: In the Linux kernel, the following vulnerability has been resolved:
drm: bridge: dw_hdmi: fix connector access for scdc
Commit 5d844091f237 ("drm/sc
ghsa_unreviewed·2025-12-09
CVE-2023-53784 GHSA-phmc-8r45-84x7: In the Linux kernel, the following vulnerability has been resolved:
drm: bridge: dw_hdmi: fix connector access for scdc
Commit 5d844091f237 ("drm/sc
In the Linux kernel, the following vulnerability has been resolved:
drm: bridge: dw_hdmi: fix connector access for scdc
Commit 5d844091f237 ("drm/scdc-helper: Pimp SCDC debugs") changed the scdc
interface to pick up an i2c adapter from a connector instead. However, in
the case of dw-hdmi, the wrong connector was being used to pass i2c adapter
information, since dw-hdmi's embedded connector structure is only populated
when the bridge attachment callback explicitly asks for it.
drm-meson is handling connector creation, so this won't happen, leading to
a NULL pointer dereference.
Fix it by having scdc functions access dw-hdmi's current connector pointer
instead, which is assigned during the bridge enablement stage.
[narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag
No detection rules found.
No public exploits indexed.
2025-12-09
Published