CVE-2022-50878
published 2025-12-30CVE-2022-50878: In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NULL check…
PriorityP419low4.3
EPSS
0.18%
7.2th percentile
In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A NULL check for bridge->encoder shows that it may be NULL, but it
already been dereferenced on all paths leading to the check.
812 if (!bridge->encoder) {
Dereference the pointer bridge->encoder.
810 drm_connector_attach_encoder( connector, bridge->encoder);
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.0.3-1 (bookworm) | linux 6.0.3-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 23278bf54afe180967069bdc8c0f1c7a365fc63e < 3959e8faf8bf6bea619e8856c736db64e6eced37 | 3959e8faf8bf6bea619e8856c736db64e6eced37 |
| linux | linux | >= 23278bf54afe180967069bdc8c0f1c7a365fc63e < a29f7427041a943484f916157c43c46d3bbf25d4 | a29f7427041a943484f916157c43c46d3bbf25d4 |
| linux | linux | >= 23278bf54afe180967069bdc8c0f1c7a365fc63e < b2e4323e0020213f44dca6ffc815d66aef39f6f6 | b2e4323e0020213f44dca6ffc815d66aef39f6f6 |
| linux | linux | >= 23278bf54afe180967069bdc8c0f1c7a365fc63e < 912f84e15e94ab87f5a7156aa1870090373d8304 | 912f84e15e94ab87f5a7156aa1870090373d8304 |
| linux | linux | >= 23278bf54afe180967069bdc8c0f1c7a365fc63e < ef8886f321c5dab8124b9153d25afa2a71d05323 | ef8886f321c5dab8124b9153d25afa2a71d05323 |
| linux | linux_kernel | >= 0 < 5.10.158-1 | 5.10.158-1 |
| linux | linux_kernel | >= 0 < 6.0.3-1 | 6.0.3-1 |
| linux | linux_kernel | >= 0 < 6.0.3-1 | 6.0.3-1 |
| linux | linux_kernel | >= 0 < 6.0.3-1 | 6.0.3-1 |
| linux | linux_kernel | >= 5.10.0 < 5.10.150 | 5.10.150 |
| linux | linux_kernel | >= 5.11.0 < 5.15.75 | 5.15.75 |
| linux | linux_kernel | >= 5.16.0 < 5.19.17 | 5.19.17 |
| linux | linux_kernel | >= 5.20.0 < 6.0.3 | 6.0.3 |
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OSV
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
osv·2025-12-30
CVE-2022-50878 gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A NULL check for bridge->encoder shows that it may be NULL, but it
already been dereferenced on all paths leading to the check.
812 if (!bridge->encoder) {
Dereference the pointer bridge->encoder.
810 drm_connector_attach_encoder( connector, bridge->encoder);
OSV
CVE-2022-50878: In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NUL
osv·2025-12-30
CVE-2022-50878 CVE-2022-50878: In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NUL
In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NULL check for bridge->encoder shows that it may be NULL, but it already been dereferenced on all paths leading to the check. 812 if (!bridge->encoder) { Dereference the pointer bridge->encoder. 810 drm_connector_attach_encoder( connector, bridge->encoder);
GHSA
GHSA-hp2j-q336-h2mp: In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A N
ghsa_unreviewed·2025-12-30
CVE-2022-50878 GHSA-hp2j-q336-h2mp: In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A N
In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A NULL check for bridge->encoder shows that it may be NULL, but it
already been dereferenced on all paths leading to the check.
812 if (!bridge->encoder) {
Dereference the pointer bridge->encoder.
810 drm_connector_attach_encoder( connector, bridge->encoder);
Red Hat
kernel: Linux kernel: Denial of service in lontium-lt9611 GPU driver due to NULL pointer dereference
vendor_redhat·2025-12-30·CVSS 4.3
CVE-2022-50878 [LOW] CWE-476 kernel: Linux kernel: Denial of service in lontium-lt9611 GPU driver due to NULL pointer dereference
kernel: Linux kernel: Denial of service in lontium-lt9611 GPU driver due to NULL pointer dereference
In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A NULL check for bridge->encoder shows that it may be NULL, but it
already been dereferenced on all paths leading to the check.
812if (!bridge->encoder) {
Dereference the pointer bridge->encoder.
810drm_connector_attach_encoder( connector, bridge->encoder);
A flaw was found in the Linux kernel's lontium-lt9611 GPU driver. A local user with low privileges could trigger a NULL pointer dereference in the `lt9611_connector_init()` function. This vulnerability can lead to a system crash, resulting in a Denial of Service (DoS).
Package: kernel (Red Ha
Debian
CVE-2022-50878: linux - In the Linux kernel, the following vulnerability has been resolved: gpu: lontiu...
vendor_debian·2022
CVE-2022-50878 CVE-2022-50878: linux - In the Linux kernel, the following vulnerability has been resolved: gpu: lontiu...
In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NULL check for bridge->encoder shows that it may be NULL, but it already been dereferenced on all paths leading to the check. 812 if (!bridge->encoder) { Dereference the pointer bridge->encoder. 810 drm_connector_attach_encoder( connector, bridge->encoder);
Scope: local
bookworm: resolved (fixed in 6.0.3-1)
bullseye: resolved (fixed in 5.10.158-1)
forky: resolved (fixed in 6.0.3-1)
sid: resolved (fixed in 6.0.3-1)
trixie: resolved (fixed in 6.0.3-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2022-50878 kernel: Linux kernel: Denial of service in lontium-lt9611 GPU driver due to NULL pointer dereference
bugzilla·2025-12-30
CVE-2022-50878 [LOW] CVE-2022-50878 kernel: Linux kernel: Denial of service in lontium-lt9611 GPU driver due to NULL pointer dereference
CVE-2022-50878 kernel: Linux kernel: Denial of service in lontium-lt9611 GPU driver due to NULL pointer dereference
In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A NULL check for bridge->encoder shows that it may be NULL, but it
already been dereferenced on all paths leading to the check.
812 if (!bridge->encoder) {
Dereference the pointer bridge->encoder.
810 drm_connector_attach_encoder( connector, bridge->encoder);
Discussion:
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123024-CVE-2022-50878-2067@gregkh/T
Wiz
CVE-2022-50878 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz
CVE-2022-50878 CVE-2022-50878 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2022-50878 :
Linux Kernel vulnerability analysis and mitigation
In the Linux kernel, the following vulnerability has been resolved:
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
A NULL check for bridge->encoder shows that it may be NULL, but it
already been dereferenced on all paths leading to the check.
812 if (!bridge->encoder) {
Dereference the pointer bridge->encoder.
810 drm_connector_attach_encoder( connector, bridge->encoder);
Source : NVD
Published December 30, 2025
CNA Score N/A
Affected Technologies
Linux Kernel
Linux Debian
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 7.5
Exploitation Probability (EPSS) N/A
Affected packages and libr
https://git.kernel.org/stable/c/3959e8faf8bf6bea619e8856c736db64e6eced37https://git.kernel.org/stable/c/912f84e15e94ab87f5a7156aa1870090373d8304https://git.kernel.org/stable/c/a29f7427041a943484f916157c43c46d3bbf25d4https://git.kernel.org/stable/c/b2e4323e0020213f44dca6ffc815d66aef39f6f6https://git.kernel.org/stable/c/ef8886f321c5dab8124b9153d25afa2a71d05323
2025-12-30
Published